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fix compile time initialization of array with undefined

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This commit is contained in:
Andrew Kelley
2017-01-29 23:35:34 -05:00
parent 3caf6bacdc
commit d2b94afaf2
5 changed files with 60 additions and 1 deletions
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11
src/ir.cpp
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@@ -6347,6 +6347,15 @@ static IrInstruction *ir_analyze_enum_to_int(IrAnalyze *ira, IrInstruction *sour
return result;
}
static IrInstruction *ir_analyze_undefined_to_anything(IrAnalyze *ira, IrInstruction *source_instr,
IrInstruction *target, TypeTableEntry *wanted_type)
{
IrInstruction *result = ir_create_const(&ira->new_irb, source_instr->scope,
source_instr->source_node, wanted_type, target->value.depends_on_compile_var);
init_const_undefined(&result->value);
return result;
}
static IrInstruction *ir_analyze_widen_or_shorten(IrAnalyze *ira, IrInstruction *source_instr,
IrInstruction *target, TypeTableEntry *wanted_type)
{
@@ -6671,7 +6680,7 @@ static IrInstruction *ir_analyze_cast(IrAnalyze *ira, IrInstruction *source_inst
// explicit cast from undefined to anything
if (actual_type->id == TypeTableEntryIdUndefLit) {
return ir_resolve_cast(ira, source_instr, value, wanted_type, CastOpNoop, false);
return ir_analyze_undefined_to_anything(ira, source_instr, value, wanted_type);
}
// explicit cast from something to const pointer of it