Fix a minor regression from my potentially-evaluated expression changes.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149930 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index a47421d801..8afe0c25b9 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -9239,6 +9239,14 @@ namespace {
     // Make sure we redo semantic analysis
     bool AlwaysRebuild() { return true; }
 
+    // Make sure we handle LabelStmts correctly.
+    // FIXME: This does the right thing, but maybe we need a more general
+    // fix to TreeTransform?
+    StmtResult TransformLabelStmt(LabelStmt *S) {
+      S->getDecl()->setStmt(0);
+      return BaseTransform::TransformLabelStmt(S);
+    }
+
     // We need to special-case DeclRefExprs referring to FieldDecls which
     // are not part of a member pointer formation; normal TreeTransforming
     // doesn't catch this case because of the way we represent them in the AST.