Give a diagnostic when using non-POD types in a va_arg

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132905 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 0 deletions

diff --git a/test/SemaTemplate/instantiate-expr-3.cpp b/test/SemaTemplate/instantiate-expr-3.cpp
index ca88b00300..1febd282cc 100644
--- a/test/SemaTemplate/instantiate-expr-3.cpp
+++ b/test/SemaTemplate/instantiate-expr-3.cpp
@@ -117,3 +117,12 @@ struct VaArg1 {
 
 template struct VaArg1<__builtin_va_list, int>;
 template struct VaArg1<int, int>; // expected-note{{instantiation}}
+
+struct VaArg2 {
+  virtual void f(int n, ...) {
+    __builtin_va_list va;
+    __builtin_va_start(va, n);
+    (void)__builtin_va_arg(va, VaArg2); // expected-error {{second argument to 'va_arg' is of non-POD type 'VaArg2'}}
+    __builtin_va_end(va);
+  }
+};