Add code for get the lvalue for string literals. Now we return a StringRegion

for StringLiteral lvalue evaluation, instead of directly returning a
loc::StringLiteralVal by the Environment.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58138 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/Analysis/GRExprEngine.cpp b/lib/Analysis/GRExprEngine.cpp
index ae1db6c462..7d60dec9b8 100644
--- a/lib/Analysis/GRExprEngine.cpp
+++ b/lib/Analysis/GRExprEngine.cpp
@@ -444,6 +444,13 @@ void GRExprEngine::VisitLValue(Expr* Ex, NodeTy* Pred, NodeSet& Dst) {
       //  have "locations" in the sense that we can take their address.
       Dst.Add(Pred);
       return;
+
+    case Stmt::StringLiteralClass: {
+      const GRState* St = GetState(Pred);
+      SVal V = StateMgr.GetLValue(St, cast<StringLiteral>(Ex));
+      MakeNode(Dst, Ex, Pred, SetSVal(St, Ex, V));
+      return;
+    }
       
     default:
       // Arbitrary subexpressions can return aggregate temporaries that