motiejus/zig
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make the zero-bit-ness of pointers lazy

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this case works now:

```zig
const Foo = struct {
    field: @typeOf(func).ReturnType,
};
fn func(self: *Foo) void {}
```
This commit is contained in:
Andrew Kelley
2019-08-25 20:27:56 -04:00
parent 8f41da2216
commit 64e9b0ee46
2 changed files with 72 additions and 39 deletions
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12
src/ir.cpp
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@@ -25582,12 +25582,12 @@ static Error ir_resolve_lazy_raw(CodeGen *codegen, AstNode *source_node, ConstEx
}
}
ResolveStatus needed_status = (align_bytes == 0) ?
ResolveStatusZeroBitsKnown : ResolveStatusAlignmentKnown;
if ((err = type_resolve(codegen, elem_type, needed_status)))
return err;
if (!type_has_bits(elem_type))
align_bytes = 0;
if (align_bytes != 0) {
if ((err = type_resolve(codegen, elem_type, ResolveStatusAlignmentKnown)))
return err;
if (!type_has_bits(elem_type))
align_bytes = 0;
}
bool allow_zero = lazy_ptr_type->is_allowzero || lazy_ptr_type->ptr_len == PtrLenC;
assert(val->type->id == ZigTypeIdMetaType);
val->data.x_type = get_pointer_to_type_extra(codegen, elem_type,