Fix a theoretical bug when ParseCompoundStatement() returns StmtError.

ParseCompoundStatement() currently never returns StmtError, but if it did,
Sema would keep the __finally scope on its stack indefinitely.  Explicitly
add an error callback that clears it.

llvm-svn: 231625

1 files changed, 4 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaStmt.cpp b/clang/lib/Sema/SemaStmt.cpp
index 11ec4f5321e..1710c976afd 100644
--- a/clang/lib/Sema/SemaStmt.cpp
+++ b/clang/lib/Sema/SemaStmt.cpp
@@ -3422,6 +3422,10 @@ void Sema::ActOnStartSEHFinallyBlock() {
   CurrentSEHFinally.push_back(CurScope);
 }
 
+void Sema::ActOnAbortSEHFinallyBlock() {
+  CurrentSEHFinally.pop_back();
+}
+
 StmtResult Sema::ActOnFinishSEHFinallyBlock(SourceLocation Loc, Stmt *Block) {
   assert(Block);
   CurrentSEHFinally.pop_back();