Add more testing for -Wc++0x-compat warnings.

llvm-svn: 141685

clang/test/SemaCXX/cxx0x-compat.cpp

@@ -0,0 +1,24 @@
+// RUN: %clang_cc1 -fsyntax-only -std=c++98 -Wc++0x-compat -verify %s
+
+namespace N {
+  template<typename T> void f(T) {} // expected-note {{here}}
+  namespace M {
+    template void f<int>(int); // expected-warning {{explicit instantiation of 'N::f' must occur in namespace 'N'}}
+  }
+}
+
+template<typename T> void f(T) {} // expected-note {{here}}
+namespace M {
+  template void f<int>(int); // expected-warning {{explicit instantiation of 'f' must occur in the global namespace}}
+}
+
+void f() {
+  auto int n = 0; // expected-warning {{'auto' storage class specifier is redundant and incompatible with C++0x}}
+}
+
+int n;
+struct S {
+  char c;
+}
+s = { n }, // expected-warning {{non-constant-expression cannot be narrowed from type 'int' to 'char' in initializer list in C++0x}} expected-note {{explicit cast}}
+t = { 1234 }; // expected-warning {{constant expression evaluates to 1234 which cannot be narrowed to type 'char' in C++0x}} expected-warning {{changes value}} expected-note {{explicit cast}}