[PATCH] Check dominator info in compute_dominance_frontiers

[Tom de Vries]

On 22/06/15 13:47, Richard Biener wrote:
>> (eventually also for the case where we
>> >>end up only computing the fast-query stuff).
>>

Like this?
...
diff --git a/gcc/dominance.c b/gcc/dominance.c
index 9c66ca2..58fc6fd 100644
--- a/gcc/dominance.c
+++ b/gcc/dominance.c
@@ -679,6 +679,12 @@ calculate_dominance_info (enum cdi_direction dir)
        free_dom_info (&di);
        dom_computed[dir_index] = DOM_NO_FAST_QUERY;
      }
+  else
+    {
+#if ENABLE_CHECKING
+      verify_dominators (CDI_DOMINATORS);
+#endif
+    }

    compute_dom_fast_query (dir);

...

Thanks,
- Tom