[PATCH] Fix PR88862

[Richard Biener]

Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.

Richard.

2019-01-22  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/88862
        * graphite-scop-detection.c
        (scop_detection::graphite_can_represent_scev): Reject ADDR_EXPR.

Index: gcc/graphite-scop-detection.c
===================================================================
--- gcc/graphite-scop-detection.c       (revision 268140)
+++ gcc/graphite-scop-detection.c       (working copy)
@@ -892,6 +892,10 @@ scop_detection::graphite_can_represent_s
        return false;
       return graphite_can_represent_scev (scop, CHREC_LEFT (scev));
 
+    case ADDR_EXPR:
+      /* We cannot encode addresses for ISL.  */
+      return false;
+
     default:
       break;
     }