53987c932c
Everybody gets what they want! * AT_RANDOM is completely ignored. * On Linux, MADV_WIPEONFORK is used to provide fork safety. * On pthread systems, `pthread_atfork` is used to provide fork safety. * For systems that do not have the capability to provide fork safety, the implementation falls back to calling getrandom() every time. * If madvise is unavailable or returns an error, or pthread_atfork fails for whatever reason, it falls back to calling getrandom() every time. * Applications may choose to opt-out of fork safety. * Applications may choose to opt-in to unconditionally calling getrandom() for every call to std.crypto.random.fillFn. * Added `std.meta.globalOption`. * Added `std.os.madvise` and related bits. * Bumped up the size of the main thread TLS buffer. See the comment there for justification. * Simpler hot path in TLS initialization.
505 lines
17 KiB
Zig
505 lines
17 KiB
Zig
const std = @import("std");
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const os = std.os;
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const tests = @import("tests.zig");
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// zig fmt: off
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pub fn addCases(cases: *tests.StackTracesContext) void {
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const source_return =
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\\const std = @import("std");
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\\
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\\pub fn main() !void {
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\\ return error.TheSkyIsFalling;
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\\}
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;
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const source_try_return =
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\\const std = @import("std");
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\\
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\\fn foo() !void {
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\\ return error.TheSkyIsFalling;
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\\}
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\\
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\\pub fn main() !void {
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\\ try foo();
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\\}
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;
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const source_try_try_return_return =
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\\const std = @import("std");
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\\
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\\fn foo() !void {
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\\ try bar();
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\\}
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\\
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\\fn bar() !void {
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\\ return make_error();
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\\}
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\\
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\\fn make_error() !void {
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\\ return error.TheSkyIsFalling;
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\\}
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\\
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\\pub fn main() !void {
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\\ try foo();
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\\}
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;
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const source_dumpCurrentStackTrace =
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\\const std = @import("std");
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\\
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\\fn bar() void {
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\\ std.debug.dumpCurrentStackTrace(@returnAddress());
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\\}
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\\fn foo() void {
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\\ bar();
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\\}
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\\pub fn main() u8 {
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\\ foo();
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\\ return 1;
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\\}
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;
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switch (std.Target.current.os.tag) {
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.freebsd => {
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cases.addCase(
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"return",
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source_return,
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[_][]const u8{
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// debug
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in main (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\
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,
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// release-safe
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in std.start.main (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\
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,
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// release-fast
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\\error: TheSkyIsFalling
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\\
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,
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// release-small
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\\error: TheSkyIsFalling
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\\
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},
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);
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cases.addCase(
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"try return",
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source_try_return,
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[_][]const u8{
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// debug
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in foo (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in main (test)
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\\ try foo();
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\\ ^
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\\
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,
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// release-safe
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in std.start.main (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in std.start.main (test)
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\\ try foo();
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\\ ^
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\\
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,
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// release-fast
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\\error: TheSkyIsFalling
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\\
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,
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// release-small
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\\error: TheSkyIsFalling
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\\
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},
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);
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cases.addCase(
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"try try return return",
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source_try_try_return_return,
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[_][]const u8{
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// debug
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\\error: TheSkyIsFalling
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\\source.zig:12:5: [address] in make_error (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in bar (test)
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\\ return make_error();
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\\ ^
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\\source.zig:4:5: [address] in foo (test)
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\\ try bar();
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\\ ^
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\\source.zig:16:5: [address] in main (test)
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\\ try foo();
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\\ ^
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\\
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,
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// release-safe
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\\error: TheSkyIsFalling
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\\source.zig:12:5: [address] in std.start.main (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in std.start.main (test)
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\\ return make_error();
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\\ ^
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\\source.zig:4:5: [address] in std.start.main (test)
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\\ try bar();
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\\ ^
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\\source.zig:16:5: [address] in std.start.main (test)
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\\ try foo();
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\\ ^
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\\
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,
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// release-fast
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\\error: TheSkyIsFalling
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\\
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,
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// release-small
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\\error: TheSkyIsFalling
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\\
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},
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);
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},
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.linux => {
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cases.addCase(
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"return",
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source_return,
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[_][]const u8{
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// debug
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in main (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\
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,
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// release-safe
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in std.start.posixCallMainAndExit (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\
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,
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// release-fast
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\\error: TheSkyIsFalling
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\\
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,
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// release-small
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\\error: TheSkyIsFalling
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\\
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},
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);
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cases.addCase(
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"try return",
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source_try_return,
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[_][]const u8{
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// debug
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in foo (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in main (test)
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\\ try foo();
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\\ ^
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\\
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,
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// release-safe
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in std.start.posixCallMainAndExit (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in std.start.posixCallMainAndExit (test)
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\\ try foo();
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\\ ^
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\\
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,
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// release-fast
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\\error: TheSkyIsFalling
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\\
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,
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// release-small
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\\error: TheSkyIsFalling
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\\
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},
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);
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cases.addCase(
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"try try return return",
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source_try_try_return_return,
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[_][]const u8{
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// debug
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\\error: TheSkyIsFalling
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\\source.zig:12:5: [address] in make_error (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in bar (test)
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\\ return make_error();
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\\ ^
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\\source.zig:4:5: [address] in foo (test)
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\\ try bar();
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\\ ^
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\\source.zig:16:5: [address] in main (test)
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\\ try foo();
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\\ ^
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\\
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,
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// release-safe
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\\error: TheSkyIsFalling
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\\source.zig:12:5: [address] in std.start.posixCallMainAndExit (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in std.start.posixCallMainAndExit (test)
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\\ return make_error();
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\\ ^
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\\source.zig:4:5: [address] in std.start.posixCallMainAndExit (test)
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\\ try bar();
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\\ ^
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\\source.zig:16:5: [address] in std.start.posixCallMainAndExit (test)
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\\ try foo();
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\\ ^
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\\
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,
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// release-fast
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\\error: TheSkyIsFalling
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\\
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,
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// release-small
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\\error: TheSkyIsFalling
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\\
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},
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);
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cases.addCase(
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"dumpCurrentStackTrace",
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source_dumpCurrentStackTrace,
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[_][]const u8{
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// debug
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\\source.zig:7:8: [address] in foo (test)
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\\ bar();
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\\ ^
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\\source.zig:10:8: [address] in main (test)
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\\ foo();
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\\ ^
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\\start.zig:342:29: [address] in std.start.posixCallMainAndExit (test)
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\\ return root.main();
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\\ ^
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\\start.zig:163:5: [address] in std.start._start (test)
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\\ @call(.{ .modifier = .never_inline }, posixCallMainAndExit, .{});
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\\ ^
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\\
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,
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// release-safe
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switch (std.Target.current.cpu.arch) {
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.aarch64 => "", // TODO disabled; results in segfault
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else =>
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\\start.zig:163:5: [address] in std.start._start (test)
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\\ @call(.{ .modifier = .never_inline }, posixCallMainAndExit, .{});
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\\ ^
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\\
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,
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},
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// release-fast
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\\
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,
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// release-small
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\\
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},
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);
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},
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.macos => {
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cases.addCase(
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"return",
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source_return,
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[_][]const u8{
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// debug
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in main (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\
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,
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// release-safe
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in std.start.main (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\
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,
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// release-fast
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\\error: TheSkyIsFalling
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\\
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,
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// release-small
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\\error: TheSkyIsFalling
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\\
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},
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);
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cases.addCase(
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"try return",
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source_try_return,
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[_][]const u8{
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// debug
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in foo (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in main (test)
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\\ try foo();
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\\ ^
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\\
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,
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// release-safe
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in std.start.main (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in std.start.main (test)
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\\ try foo();
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\\ ^
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\\
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,
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// release-fast
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\\error: TheSkyIsFalling
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\\
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,
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// release-small
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\\error: TheSkyIsFalling
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\\
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},
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);
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cases.addCase(
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"try try return return",
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source_try_try_return_return,
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[_][]const u8{
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// debug
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\\error: TheSkyIsFalling
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\\source.zig:12:5: [address] in make_error (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in bar (test)
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\\ return make_error();
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\\ ^
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\\source.zig:4:5: [address] in foo (test)
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\\ try bar();
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\\ ^
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\\source.zig:16:5: [address] in main (test)
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\\ try foo();
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\\ ^
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\\
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,
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// release-safe
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\\error: TheSkyIsFalling
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\\source.zig:12:5: [address] in std.start.main (test)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in std.start.main (test)
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\\ return make_error();
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\\ ^
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\\source.zig:4:5: [address] in std.start.main (test)
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\\ try bar();
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\\ ^
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\\source.zig:16:5: [address] in std.start.main (test)
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\\ try foo();
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\\ ^
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\\
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,
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// release-fast
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\\error: TheSkyIsFalling
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\\
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,
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// release-small
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\\error: TheSkyIsFalling
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\\
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},
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);
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},
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.windows => {
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cases.addCase(
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"return",
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source_return,
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[_][]const u8{
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// debug
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in main (test.obj)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\
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,
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// release-safe
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// --disabled-- results in segmenetation fault
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"",
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// release-fast
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\\error: TheSkyIsFalling
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\\
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,
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// release-small
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\\error: TheSkyIsFalling
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\\
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},
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);
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cases.addCase(
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"try return",
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source_try_return,
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[_][]const u8{
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// debug
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\\error: TheSkyIsFalling
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\\source.zig:4:5: [address] in foo (test.obj)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in main (test.obj)
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\\ try foo();
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\\ ^
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\\
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,
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// release-safe
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// --disabled-- results in segmenetation fault
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"",
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// release-fast
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\\error: TheSkyIsFalling
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\\
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,
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// release-small
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\\error: TheSkyIsFalling
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\\
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},
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);
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cases.addCase(
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"try try return return",
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source_try_try_return_return,
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[_][]const u8{
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// debug
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\\error: TheSkyIsFalling
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\\source.zig:12:5: [address] in make_error (test.obj)
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\\ return error.TheSkyIsFalling;
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\\ ^
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\\source.zig:8:5: [address] in bar (test.obj)
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\\ return make_error();
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\\ ^
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\\source.zig:4:5: [address] in foo (test.obj)
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\\ try bar();
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\\ ^
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\\source.zig:16:5: [address] in main (test.obj)
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\\ try foo();
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\\ ^
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\\
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,
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// release-safe
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// --disabled-- results in segmenetation fault
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"",
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// release-fast
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\\error: TheSkyIsFalling
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\\
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,
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// release-small
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\\error: TheSkyIsFalling
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\\
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},
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);
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},
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else => {},
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|
}
|
|
}
|
|
// zig fmt: off
|