Sema: Check that __leave is contained in a __try block.

Give scope a SEHTryScope bit, set that in ParseSEHTry(), and let Sema
walk the scope chain to find the SEHTry parent on __leave statements.
(They are rare enough that it seems better to do the walk instead of
giving Scope a SEHTryParent pointer -- this is similar to AtCatchScope.)

llvm-svn: 212422

1 files changed, 3 insertions, 0 deletions

diff --git a/clang/lib/Sema/Scope.cpp b/clang/lib/Sema/Scope.cpp
index c49133d4727..6c797788238 100644
--- a/clang/lib/Sema/Scope.cpp
+++ b/clang/lib/Sema/Scope.cpp
@@ -182,6 +182,9 @@ void Scope::dumpImpl(raw_ostream &OS) const {
     } else if (Flags & FnTryCatchScope) {
       OS << "FnTryCatchScope";
       Flags &= ~FnTryCatchScope;
+    } else if (Flags & SEHTryScope) {
+      OS << "SEHTryScope";
+      Flags &= ~SEHTryScope;
     } else if (Flags & OpenMPDirectiveScope) {
       OS << "OpenMPDirectiveScope";
       Flags &= ~OpenMPDirectiveScope;