Fix pr6035.

llvm-svn: 93422

clang/lib/Analysis/SValuator.cpp

@@ -66,6 +66,9 @@ SValuator::CastResult SValuator::EvalCast(SVal val, const GRState *state,
     if (C.hasSameUnqualifiedType(castTy, originalTy))
       return CastResult(state, val);
 
+  if (castTy->isIntegerType() && originalTy->isIntegerType())
+    return CastResult(state, EvalCastNL(cast<NonLoc>(val), castTy));
+
   // Check for casts from pointers to integers.
   if (castTy->isIntegerType() && Loc::IsLocType(originalTy))
     return CastResult(state, EvalCastL(cast<Loc>(val), castTy));

clang/test/Analysis/casts.c

@@ -57,3 +57,14 @@ void doit(char *data, int len) {
         memcpy(buf, data, len);
     }
 }
+
+struct pcm_feeder {
+  void *data;
+};
+// Test cast a pointer to long and then to int does not crash SValuator.
+void feed_swaplr (struct pcm_feeder *f)
+{
+  int bps;
+  bps = (long) f->data;
+  (void) bps;
+}