invalidate loop-info if blocks were removed

[r20121]

diff --git a/ir/be/beirgmod.c b/ir/be/beirgmod.c
index cfcbac6..12d5ac7 100644 (file)
--- a/ir/be/beirgmod.c
+++ b/ir/be/beirgmod.c
@@ -257,6 +257,7 @@ int be_remove_empty_blocks(ir_graph *irg)
                set_irg_doms_inconsistent(irg);
                set_irg_extblk_inconsistent(irg);
                set_irg_outs_inconsistent(irg);
+               set_irg_loopinfo_inconsistent(irg);
        }
        return blocks_removed;
 }