Handle C++11 attribute namespaces automatically.

Now, as long as the 'Namespaces' variable is correct inside Attr.td, the
generated code will correctly admit a C++11 attribute only when it has the
appropriate namespace(s).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158661 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 0 deletions

diff --git a/test/SemaCXX/switch-implicit-fallthrough-per-method.cpp b/test/SemaCXX/switch-implicit-fallthrough-per-method.cpp
index 9f9f5924a0..7c52e5138b 100644
--- a/test/SemaCXX/switch-implicit-fallthrough-per-method.cpp
+++ b/test/SemaCXX/switch-implicit-fallthrough-per-method.cpp
@@ -37,3 +37,15 @@ int fallthrough2(int n) {
   }
   return n;
 }
+
+void unscoped(int n) {
+  switch (n % 2) {
+    case 0:
+      // FIXME: This should be typo-corrected, probably.
+      [[fallthrough]];
+    case 2: // expected-warning{{unannotated fall-through}} expected-note{{clang::fallthrough}} expected-note{{break;}}
+      [[clang::fallthrough]];
+    case 1:
+      break;
+  }
+}