Don't forget to apply #pragma pack to partial and explicit specializations of

class templates. This fixes misalignment issues in llvm/Support/Endian.h when
built by Clang.

llvm-svn: 162074

1 files changed, 7 insertions, 0 deletions

diff --git a/clang/unittests/Tooling/RecursiveASTVisitorTest.cpp b/clang/unittests/Tooling/RecursiveASTVisitorTest.cpp
index f3ba6468d03..4b539067b13 100644
--- a/clang/unittests/Tooling/RecursiveASTVisitorTest.cpp
+++ b/clang/unittests/Tooling/RecursiveASTVisitorTest.cpp
@@ -385,4 +385,11 @@ TEST(RecursiveASTVisitor, VisitsImplicitCopyConstructors) {
       "int main() { Simple s; Simple t(s); }\n"));
 }
 
+TEST(RecursiveASTVisitor, VisitsExtension) {
+  DeclRefExprVisitor Visitor;
+  Visitor.ExpectMatch("s", 1, 24);
+  EXPECT_TRUE(Visitor.runOver(
+    "int s = __extension__ (s);\n"));
+}
+
 } // end namespace clang