2012-10-05 Richard Guenther <rguenther@suse.de>
PR middle-end/54811
* tree-ssa-live.c (clear_unused_block_pointer_1): Look at
DECL_DEBUG_EXPR again.
From-SVN: r192120
+2012-10-05 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/54811
+ * tree-ssa-live.c (clear_unused_block_pointer_1): Look at
+ DECL_DEBUG_EXPR again.
+
2012-10-05 Jan Hubicka <jh@suse.cz>
Jakub Jelinek <jakub@redhat.com>
if (EXPR_P (*tp) && TREE_BLOCK (*tp)
&& !TREE_USED (TREE_BLOCK (*tp)))
TREE_SET_BLOCK (*tp, NULL);
+ if (TREE_CODE (*tp) == VAR_DECL && DECL_DEBUG_EXPR_IS_FROM (*tp))
+ {
+ tree debug_expr = DECL_DEBUG_EXPR (*tp);
+ walk_tree (&debug_expr, clear_unused_block_pointer_1, NULL, NULL);
+ }
return NULL_TREE;
}