fix folding of '*doubleArray'

llvm-svn: 59647

clang/lib/AST/ExprConstant.cpp

@@ -972,6 +972,9 @@ bool FloatExprEvaluator::VisitCallExpr(const CallExpr *E) {
 }
 
 bool FloatExprEvaluator::VisitUnaryOperator(const UnaryOperator *E) {
+  if (E->getOpcode() == UnaryOperator::Deref)
+    return false;
+
   if (!EvaluateFloat(E->getSubExpr(), Result, Info))
     return false;
 

clang/test/CodeGen/exprs.c

@@ -45,3 +45,10 @@ int ola() {
   if ((0, (int)a) & 2) { return 1; }
   return 2;
 }
+
+// this one shouldn't fold as well
+void eMaisUma() {
+	double t[1];
+	if (*t)
+		return;
+}