1 files changed, 17 insertions, 0 deletions
diff --git a/clang/lib/AST/Stmt.cpp b/clang/lib/AST/Stmt.cpp
index d1a4dc074bd..f2bb289719f 100644
--- a/clang/lib/AST/Stmt.cpp
+++ b/clang/lib/AST/Stmt.cpp
@@ -320,6 +320,23 @@ CompoundStmt *CompoundStmt::CreateEmpty(const ASTContext &C,
   return New;
 }
 
+const Expr *ValueStmt::getExprStmt() const {
+  const Stmt *S = this;
+  do {
+    if (const auto *E = dyn_cast<Expr>(S))
+      return E;
+
+    if (const auto *LS = dyn_cast<LabelStmt>(S))
+      S = LS->getSubStmt();
+    else if (const auto *AS = dyn_cast<AttributedStmt>(S))
+      S = AS->getSubStmt();
+    else
+      llvm_unreachable("unknown kind of ValueStmt");
+  } while (isa<ValueStmt>(S));
+
+  return nullptr;
+}
+
 const char *LabelStmt::getName() const {
   return getDecl()->getIdentifier()->getNameStart();
 }