Implement function-try-blocks. However, there's a very subtle bug that I can't track down.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70155 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/clang-cc/RewriteBlocks.cpp b/tools/clang-cc/RewriteBlocks.cpp
index a9324e6..f9ed0ec 100644
--- a/tools/clang-cc/RewriteBlocks.cpp
+++ b/tools/clang-cc/RewriteBlocks.cpp
@@ -1091,8 +1091,9 @@
     // prototype. This enables us to rewrite function declarations and
     // definitions using the same code.
     RewriteFunctionProtoType(FD->getType(), FD);
-    
-    if (CompoundStmt *Body = FD->getBody(*Context)) {
+
+    // FIXME: Handle CXXTryStmt
+    if (CompoundStmt *Body = FD->getCompoundBody(*Context)) {
       CurFunctionDef = FD;
       FD->setBody(cast_or_null<CompoundStmt>(RewriteFunctionBody(Body)));
       // This synthesizes and inserts the block "impl" struct, invoke function,