vendor/clang/clang-trunk-r321017

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp b/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp
index 7a31efc8cef88..c3dcf1fac197b 100644
--- a/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/UndefinedAssignmentChecker.cpp
@@ -60,6 +60,14 @@ void UndefinedAssignmentChecker::checkBind(SVal location, SVal val,
   const Expr *ex = nullptr;
 
   while (StoreE) {
+    if (const UnaryOperator *U = dyn_cast<UnaryOperator>(StoreE)) {
+      str = "The expression is an uninitialized value. "
+            "The computed value will also be garbage";
+
+      ex = U->getSubExpr();
+      break;
+    }
+
     if (const BinaryOperator *B = dyn_cast<BinaryOperator>(StoreE)) {
       if (B->isCompoundAssignmentOp()) {
         ProgramStateRef state = C.getState();