re PR c++/13033 ([tree-ssa] ICE in lower_stmt)

        PR c++/13033
        * c-simplify.c (gimplify_c_loop): Wrap the increment in a
        CLEANUP_POINT_EXPR.

From-SVN: r73587

gcc/testsuite/g++.dg/init/cleanup1.C

+// PR c++/13033
+
+// We failed to treat the for increment expression as a full-expression,
+// which broke gimplification.
+
+struct QDomNode {
+  virtual ~QDomNode();
+  QDomNode nextSibling() const;
+  bool isNull() const;
+};
+
+void processNode(QDomNode n)
+{
+  for (; !n.isNull(); n = n.nextSibling())
+    ;
+}