fix regression of storing optional with 0-bit payload

2020-01-28 12:32:39 -05:00
parent 5c55a9b4e8
commit e0000c47bd
2 changed files with 8 additions and 2 deletions
--- a/src/codegen.cpp
+++ b/src/codegen.cpp
@@ -4731,6 +4731,10 @@ static LLVMValueRef ir_render_optional_unwrap_ptr(CodeGen *g, IrExecutableGen *e
        LLVMPositionBuilderAtEnd(g->builder, ok_block);
    }
    if (!type_has_bits(child_type)) {
+        if (instruction->initializing) {
+            LLVMValueRef non_null_bit = LLVMConstInt(LLVMInt1Type(), 1, false);
+            gen_store_untyped(g, non_null_bit, base_ptr, 0, false);
+        }
        return nullptr;
    } else {
        bool is_scalar = !handle_is_ptr(maybe_type);