* eval.c (rb_thread_save_context): must not switch contexts during

  re-allocating stack.  fixed: [ruby-core:05219]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8726 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/eval.c b/eval.c
index 7a4a50c537..8d612b5601 100644
--- a/eval.c
+++ b/eval.c
@@ -10329,7 +10329,9 @@ rb_thread_save_context(th)
     th->stk_len = 0;
     th->stk_pos = pos;
     if (len > th->stk_max) {
-	REALLOC_N(th->stk_ptr, VALUE, len);
+	VALUE *ptr = realloc(th->stk_ptr, sizeof(VALUE) * len);
+	if (!ptr) rb_memerror();
+	th->stk_ptr = ptr;
 	th->stk_max = len;
     }
     th->stk_len = len;