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Merge branch 'mikdusan-issue.3010'

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closes #3022
closes #3010

thanks @mikdusan
This commit is contained in:
Andrew Kelley 2019-08-19 17:36:26 -04:00
commit 07c5e90601
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2 changed files with 11 additions and 1 deletions
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6
src/ir.cpp
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@ -24564,7 +24564,11 @@ static IrInstruction *ir_analyze_instruction_bit_cast_src(IrAnalyze *ira, IrInst
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,

6
test/stage1/behavior/bitcast.zig
View File

@ -125,3 +125,9 @@ test "implicit cast to error union by returning" {
S.entry();
comptime S.entry();
}
// 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));
}