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solve it a slightly different way

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the error handling of result locations is a bit awkward but it should
basically be the same everywhere
This commit is contained in:
Andrew Kelley 2019-08-19 17:35:19 -04:00
parent 24deb1a7fe
commit 6bc520ab95
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GPG Key ID: 7C5F548F728501A9
2 changed files with 7 additions and 2 deletions
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8
src/ir.cpp
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@ -24561,10 +24561,14 @@ static IrInstruction *ir_analyze_instruction_bit_cast_src(IrAnalyze *ira, IrInst
IrInstruction *result_loc = ir_resolve_result(ira, &instruction->base,
&instruction->result_loc_bit_cast->base, operand->value.type, operand, false, false, true);
if (result_loc != nullptr && !(type_is_invalid(result_loc->value.type) || instr_is_unreachable(result_loc)))
if (result_loc != nullptr && (type_is_invalid(result_loc->value.type) || instr_is_unreachable(result_loc)))
return result_loc;
return instruction->result_loc_bit_cast->parent->gen_instruction;
if (instruction->result_loc_bit_cast->parent->gen_instruction != nullptr) {
return instruction->result_loc_bit_cast->parent->gen_instruction;
}
return result_loc;
}
static IrInstruction *ir_analyze_instruction_union_init_named_field(IrAnalyze *ira,

1
test/stage1/behavior/bitcast.zig
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@ -129,4 +129,5 @@ test "implicit cast to error union by returning" {
// issue #3010: compiler segfault
test "bitcast literal [4]u8 param to u32" {
const ip = @bitCast(u32, [_]u8{ 255, 255, 255, 255 });
expect(ip == maxInt(u32));
}