eval_intern.h: VAR_INITIALIZED

* eval_intern.h (VAR_INITIALIZED): macro to suppress
  maybe-uninitialized warnings by gcc 4.7 and 4.8.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45516 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/vm_eval.c b/vm_eval.c
index 7b11e38d84..23e0b772b2 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -1060,6 +1060,8 @@ rb_iterate(VALUE (* it_proc) (VALUE), VALUE data1,
     TH_PUSH_TAG(th);
     state = TH_EXEC_TAG();
     if (state == 0) {
+	VAR_INITIALIZED(th);
+	VAR_INITIALIZED(node);
       iter_retry:
 	{
 	    rb_block_t *blockptr;