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Sema: do not add calls to returnError for comptime known non-error values

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This commit is contained in:
Veikka Tuominen 2022-05-31 17:14:37 +03:00
parent 36df79cd37
commit 56608cbb3d
1 changed files with 5 additions and 2 deletions
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7
src/Sema.zig
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@ -13011,10 +13011,13 @@ fn analyzeRet(
const backend_supports_error_return_tracing =
sema.mod.comp.bin_file.options.use_llvm;
if ((sema.fn_ret_ty.zigTypeTag() == .ErrorSet or sema.typeOf(uncasted_operand).zigTypeTag() == .ErrorUnion) and
if (sema.fn_ret_ty.isError() and
sema.mod.comp.bin_file.options.error_return_tracing and
backend_supports_error_return_tracing)
{
ret_err: {
if (try sema.resolveMaybeUndefVal(block, src, operand)) |ret_val| {
if (ret_val.tag() != .@"error") break :ret_err;
}
const return_err_fn = try sema.getBuiltin(block, src, "returnError");
const unresolved_stack_trace_ty = try sema.getBuiltinType(block, src, "StackTrace");
const stack_trace_ty = try sema.resolveTypeFields(block, src, unresolved_stack_trace_ty);