[analyzer] Fix a crash until we can handle temporary struct objects properly.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124822 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/StaticAnalyzer/Checkers/ExprEngine.cpp b/lib/StaticAnalyzer/Checkers/ExprEngine.cpp
index 79d2a2b2fc..2dd2202f03 100644
--- a/lib/StaticAnalyzer/Checkers/ExprEngine.cpp
+++ b/lib/StaticAnalyzer/Checkers/ExprEngine.cpp
@@ -1716,7 +1716,11 @@ void ExprEngine::VisitMemberExpr(const MemberExpr* M, ExplodedNode* Pred,
     const GRState* state = GetState(*I);
     SVal baseExprVal = state->getSVal(baseExpr);
     if (isa<nonloc::LazyCompoundVal>(baseExprVal) ||
-        isa<nonloc::CompoundVal>(baseExprVal)) {
+        isa<nonloc::CompoundVal>(baseExprVal) ||
+        // FIXME: This can originate by conjuring a symbol for an unknown
+        // temporary struct object, see test/Analysis/fields.c:
+        // (p = getit()).x
+        isa<nonloc::SymbolVal>(baseExprVal)) {
       MakeNode(Dst, M, *I, state->BindExpr(M, UnknownVal()));
       continue;
     }