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fix regression with simple pointer to self

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Andrew Kelley 2019-08-23 15:59:37 -04:00
parent ac4dd9d665
commit f0034495fa
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1 changed files with 7 additions and 0 deletions
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7
src/analyze.cpp
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@ -961,6 +961,13 @@ static Error type_val_resolve_zero_bits(CodeGen *g, ConstExprValue *type_val, Zi
Error err;
if (type_val->special != ConstValSpecialLazy) {
assert(type_val->special == ConstValSpecialStatic);
if (type_val->data.x_type->id == ZigTypeIdStruct &&
type_val->data.x_type->data.structure.resolve_loop_flag_zero_bits)
{
// Does a struct which contains a pointer field to itself have bits? Yes.
*is_zero_bits = false;
return ErrorNone;
}
if ((err = type_resolve(g, type_val->data.x_type, ResolveStatusZeroBitsKnown)))
return err;
*is_zero_bits = (type_val->data.x_type->abi_size == 0);