Add -Wdeprecated warnings and fixits for things deprecated in C++11:

 - 'register' storage class
 - dynamic exception specifications

Only the former check is enabled by default for now (the latter might be quite noisy).

llvm-svn: 183881

2 files changed, 32 insertions, 1 deletions

diff --git a/clang/test/SemaCXX/attr-cxx0x.cpp b/clang/test/SemaCXX/attr-cxx0x.cpp
index e9276cd2d9e..fb46af40359 100644
--- a/clang/test/SemaCXX/attr-cxx0x.cpp
+++ b/clang/test/SemaCXX/attr-cxx0x.cpp
@@ -12,7 +12,7 @@ struct align_member {
 };
 
 void f(alignas(1) char c) { // expected-error {{'alignas' attribute cannot be applied to a function parameter}}
-  alignas(1) register char k; // expected-error {{'alignas' attribute cannot be applied to a variable with 'register' storage class}}
+  alignas(1) register char k; // expected-error {{'alignas' attribute cannot be applied to a variable with 'register' storage class}} expected-warning {{deprecated}}
   try {
   } catch (alignas(4) int n) { // expected-error {{'alignas' attribute cannot be applied to a 'catch' variable}}
   }
diff --git a/clang/test/SemaCXX/deprecated.cpp b/clang/test/SemaCXX/deprecated.cpp
new file mode 100644
index 00000000000..fde2c3754c6
--- /dev/null
+++ b/clang/test/SemaCXX/deprecated.cpp
@@ -0,0 +1,31 @@
+// RUN: %clang_cc1 -std=c++98 %s -Wdeprecated -verify
+// RUN: %clang_cc1 -std=c++11 %s -Wdeprecated -verify
+// RUN: %clang_cc1 -std=c++1y %s -Wdeprecated -verify
+
+void f() throw();
+void g() throw(int);
+void h() throw(...);
+#if __cplusplus >= 201103L
+// expected-warning@-4 {{dynamic exception specifications are deprecated}} expected-note@-4 {{use 'noexcept' instead}}
+// expected-warning@-4 {{dynamic exception specifications are deprecated}} expected-note@-4 {{use 'noexcept(false)' instead}}
+// expected-warning@-4 {{dynamic exception specifications are deprecated}} expected-note@-4 {{use 'noexcept(false)' instead}}
+#endif
+
+void stuff() {
+  register int n;
+#if __cplusplus >= 201103L
+  // expected-warning@-2 {{'register' storage class specifier is deprecated}}
+#endif
+
+  bool b;
+  ++b; // expected-warning {{incrementing expression of type bool is deprecated}}
+
+  // FIXME: This is ill-formed in C++11.
+  char *p = "foo"; // expected-warning {{conversion from string literal to 'char *' is deprecated}}
+}
+
+struct S { int n; };
+struct T : private S {
+  // FIXME: This is ill-formed in C++11.
+  S::n; // expected-warning {{access declarations are deprecated; use using declarations instead}}
+};