zig

commit b96872ef2f619de476fb79c0bb142ebdace62382 (tree)
parent c0fee9dfc7be5ab2c232a4787223a8e56a56745b
Author: Andrew Kelley <andrew@ziglang.org>
Date:   Mon, 27 Jan 2020 17:45:29 -0500

`@bitCast` result location: fix passing invalid alignment

when the value has 0 bits

Diffstat:
M
src/ir.cpp
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/ir.cpp b/src/ir.cpp
@@ -18525,10 +18525,11 @@ static IrInstGen *ir_resolve_result_raw(IrAnalyze *ira, IrInst *suspend_source_i
                 return ira->codegen->invalid_inst_gen;
             }
 
-            uint64_t parent_ptr_align = get_ptr_align(ira->codegen, parent_ptr_type);
             if ((err = type_resolve(ira->codegen, value_type, ResolveStatusAlignmentKnown))) {
                 return ira->codegen->invalid_inst_gen;
             }
+            uint64_t parent_ptr_align = 0;
+            if (type_has_bits(value_type)) parent_ptr_align = get_ptr_align(ira->codegen, parent_ptr_type);
             ZigType *ptr_type = get_pointer_to_type_extra(ira->codegen, value_type,
                     parent_ptr_type->data.pointer.is_const, parent_ptr_type->data.pointer.is_volatile, PtrLenSingle,
                     parent_ptr_align, 0, 0, parent_ptr_type->data.pointer.allow_zero);