Improve C++11 attribute parsing.
- General C++11 attributes were previously parsed and ignored. Now they are parsed and stored in AST.
- Add support to parse arguments of attributes that in 'gnu' namespace.
- Differentiate unknown attributes and known attributes that can't be applied to statements when emitting diagnostic.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165082 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/switch-implicit-fallthrough-per-method.cpp b/test/SemaCXX/switch-implicit-fallthrough-per-method.cpp
index 7c52e51..009c818 100644
--- a/test/SemaCXX/switch-implicit-fallthrough-per-method.cpp
+++ b/test/SemaCXX/switch-implicit-fallthrough-per-method.cpp
@@ -42,7 +42,7 @@
switch (n % 2) {
case 0:
// FIXME: This should be typo-corrected, probably.
- [[fallthrough]];
+ [[fallthrough]]; // expected-warning{{unknown attribute 'fallthrough' ignored}}
case 2: // expected-warning{{unannotated fall-through}} expected-note{{clang::fallthrough}} expected-note{{break;}}
[[clang::fallthrough]];
case 1: