zig/test/cases/safety/awaiting twice.zig

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const std = @import("std");
pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace) noreturn {
_ = message;
_ = stack_trace;
std.process.exit(0);
}
var frame: anyframe = undefined;
pub fn main() !void {
_ = async amain();
resume frame;
return error.TestFailed;
}
fn amain() void {
var f = async func();
await f;
await f;
}
fn func() void {
suspend {
frame = @frame();
}
}
// run
// backend=stage1