fix crash when compile error in analyzing @panic call

This commit is contained in:
Andrew Kelley 2018-03-27 15:07:45 -04:00
parent 0b7b3190fd
commit 6cb99fdac3
2 changed files with 12 additions and 3 deletions

View File

@ -16918,18 +16918,18 @@ static TypeTableEntry *ir_analyze_instruction_can_implicit_cast(IrAnalyze *ira,
static TypeTableEntry *ir_analyze_instruction_panic(IrAnalyze *ira, IrInstructionPanic *instruction) {
IrInstruction *msg = instruction->msg->other;
if (type_is_invalid(msg->value.type))
return ira->codegen->builtin_types.entry_invalid;
return ir_unreach_error(ira);
if (ir_should_inline(ira->new_irb.exec, instruction->base.scope)) {
ir_add_error(ira, &instruction->base, buf_sprintf("encountered @panic at compile-time"));
return ira->codegen->builtin_types.entry_invalid;
return ir_unreach_error(ira);
}
TypeTableEntry *u8_ptr_type = get_pointer_to_type(ira->codegen, ira->codegen->builtin_types.entry_u8, true);
TypeTableEntry *str_type = get_slice_type(ira->codegen, u8_ptr_type);
IrInstruction *casted_msg = ir_implicit_cast(ira, msg, str_type);
if (type_is_invalid(casted_msg->value.type))
return ira->codegen->builtin_types.entry_invalid;
return ir_unreach_error(ira);
IrInstruction *new_instruction = ir_build_panic(&ira->new_irb, instruction->base.scope,
instruction->base.source_node, casted_msg);

View File

@ -1,6 +1,15 @@
const tests = @import("tests.zig");
pub fn addCases(cases: &tests.CompileErrorContext) void {
cases.add("wrong type passed to @panic",
\\export fn entry() void {
\\ var e = error.Foo;
\\ @panic(e);
\\}
,
".tmp_source.zig:3:12: error: expected type '[]const u8', found 'error{Foo}'");
cases.add("@tagName used on union with no associated enum tag",
\\const FloatInt = extern union {
\\ Float: f32,