[PATCH] Fix PR54886

[Richard Biener]

This fixes PR54886 - ISL is anal about freeing all its memory.

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

Richard.

2012-12-07  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/54886
        * graphite-sese-to-poly.c (build_loop_iteration_domains): Properly
        free all memory.

Index: gcc/graphite-sese-to-poly.c
===================================================================
--- gcc/graphite-sese-to-poly.c (revision 194296)
+++ gcc/graphite-sese-to-poly.c (working copy)
@@ -1058,6 +1058,8 @@ build_loop_iteration_domains (scop_p sco
          c = isl_constraint_set_constant (c, v);
          inner = isl_set_add_constraint (inner, c);
        }
+      else
+       isl_pw_aff_free (aff);
     }
   else
     gcc_unreachable ();