Check dynamic_cast is not used with -fno-rtti, unless it is a noop or can be resolved statically.

llvm-svn: 187564

1 files changed, 14 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/no-rtti.cpp b/clang/test/SemaCXX/no-rtti.cpp
index 75167050dca..3d6e109551d 100644
--- a/clang/test/SemaCXX/no-rtti.cpp
+++ b/clang/test/SemaCXX/no-rtti.cpp
@@ -8,3 +8,17 @@ void f()
 {
   (void)typeid(int); // expected-error {{cannot use typeid with -fno-rtti}}
 }
+
+namespace {
+struct A {
+  virtual ~A(){};
+};
+
+struct B : public A {
+  B() : A() {}
+};
+}
+
+bool isa_B(A *a) {
+  return dynamic_cast<B *>(a) != 0; // expected-error {{cannot use dynamic_cast with -fno-rtti}}
+}