motiejus/zig
1
Fork 0
Code Releases Activity

Prevent crash with empty non-exhaustive enum

Browse Source
This commit is contained in:
LemonBoy
2020-01-18 15:13:21 +01:00
parent b72f858194
commit c53d94e512
3 changed files with 22 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/ir.cpp
View File

@@ -21631,7 +21631,7 @@ static IrInstruction *ir_analyze_instruction_switch_target(IrAnalyze *ira,
case ZigTypeIdEnum: {
if ((err = type_resolve(ira->codegen, target_type, ResolveStatusZeroBitsKnown)))
return ira->codegen->invalid_instruction;
if (target_type->data.enumeration.src_field_count < 2) {
if (target_type->data.enumeration.src_field_count == 1) {
TypeEnumField *only_field = &target_type->data.enumeration.fields[0];
IrInstruction *result = ir_const(ira, &switch_target_instruction->base, target_type);
bigint_init_bigint(&result->value->data.x_enum_tag, &only_field->value);