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-rw-r--r--clang/lib/AST/Expr.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp
index 4c6822c041f..b31ec2314dc 100644
--- a/clang/lib/AST/Expr.cpp
+++ b/clang/lib/AST/Expr.cpp
@@ -1225,9 +1225,13 @@ bool Expr::isUnusedResultAWarning(SourceLocation &Loc, SourceRange &R1,
// however, if the result of the stmt expr is dead, we don't want to emit a
// warning.
const CompoundStmt *CS = cast<StmtExpr>(this)->getSubStmt();
- if (!CS->body_empty())
+ if (!CS->body_empty()) {
if (const Expr *E = dyn_cast<Expr>(CS->body_back()))
return E->isUnusedResultAWarning(Loc, R1, R2, Ctx);
+ if (const LabelStmt *Label = dyn_cast<LabelStmt>(CS->body_back()))
+ if (const Expr *E = dyn_cast<Expr>(Label->getSubStmt()))
+ return E->isUnusedResultAWarning(Loc, R1, R2, Ctx);
+ }
if (getType()->isVoidType())
return false;
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