================
@@ -0,0 +1,43 @@
+// RUN: %clang_cc1 -std=c23 -fsyntax-only -ffreestanding -verify=expected,both
%s -triple i386-pc-unknown
+// RUN: %clang_cc1 -std=c23 -fsyntax-only -ffreestanding -verify=expected,both
%s -triple x86_64-apple-darwin9
+// RUN: %clang_cc1 -std=c23 -fsyntax-only -ffreestanding -fms-compatibility
-verify=expected,both %s -triple x86_64-pc-win32
+// RUN: %clang_cc1 -std=c17 -fsyntax-only -ffreestanding -verify=both,pre-c23
%s
+
+void foo(int x, int y, ...) {
+ __builtin_va_list list;
+ __builtin_c23_va_start(); // pre-c23-error {{use of unknown
builtin '__builtin_c23_va_start'}} \
+ expected-error{{too few arguments to
function call, expected 1, have 0}}
+ // Note, the unknown builtin diagnostic is only issued once per function,
+ // which is why the rest of the lines do not get the same diagonstic.
+ __builtin_c23_va_start(list); // ok
+ __builtin_c23_va_start(list, 0); // expected-warning {{second argument to
'va_start' is not the last named parameter}}
----------------
erichkeane wrote:
This error message isn't really accurate. Consider:
```
void foo(int x, int y, int, ...) {
__builtin_va_list list;
__builtin_c23_va_start(list, y); // error: Not last named parameter. Erich:
ORLY?!
}
https://github.com/llvm/llvm-project/pull/131166
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
