Fix rdar://6252231 - cannot call vsnprintf with va_list on x86_64,
by decaying __builtin_va_list's type when forming builtins. On
x86-64 (and other targets) __builtin_va_list is a typedef for
an array.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56768 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/builtin-object-size.c b/test/Sema/builtin-object-size.c
index abc25da..fc322ad 100644
--- a/test/Sema/builtin-object-size.c
+++ b/test/Sema/builtin-object-size.c
@@ -1,4 +1,5 @@
// RUN: clang -fsyntax-only -verify %s
+// RUN: clang -fsyntax-only -triple x86_64-apple-darwin9 -verify %s
int a[10];
@@ -17,3 +18,11 @@
int f3() {
return __builtin_object_size(&a, 4); // expected-error {{argument should be a value from 0 to 3}}
}
+
+
+// rdar://6252231 - cannot call vsnprintf with va_list on x86_64
+void f4(const char *fmt, ...) {
+ __builtin_va_list args;
+ __builtin___vsnprintf_chk (0, 42, 0, 11, fmt, args);
+}
+