[PATCH] Fix PR target/64055

[Ilya Enkovich]

Hi,

This patch fixes ICE in chkp_find_bound_slots_1 by checking for non constant 
values in array domain.  Bootstrapped on x86_64-unknown-linux-gnu with Ada.  
gnat.dg/derived_aggregate.adb is a new pass.  OK for trunk?

Thanks,
Ilya
--
2014-12-01  Ilya Enkovich  <ilya.enkov...@intel.com>

        PR target/64055
        * tree-chkp.c (chkp_find_bound_slots_1): Allow non constant
        values in array domain.


diff --git a/gcc/tree-chkp.c b/gcc/tree-chkp.c
index 3e38691..6665ce2 100644
--- a/gcc/tree-chkp.c
+++ b/gcc/tree-chkp.c
@@ -1565,7 +1565,9 @@ chkp_find_bound_slots_1 (const_tree type, bitmap 
have_bound,
       HOST_WIDE_INT esize = TREE_INT_CST_LOW (TYPE_SIZE (etype));
       unsigned HOST_WIDE_INT cur;
 
-      if (!maxval || integer_minus_onep (maxval))
+      if (!maxval
+         || TREE_CODE (maxval) != INTEGER_CST
+         || integer_minus_onep (maxval))
        return;
 
       for (cur = 0; cur <= TREE_INT_CST_LOW (maxval); cur++)