* insns.def, vm.c: add/fix stack overflow check.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12597 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/insns.def b/insns.def
index 792c8d40f1..27b52b01f4 100644
--- a/insns.def
+++ b/insns.def
@@ -1329,8 +1329,10 @@ invokeblock
 
     if (BUILTIN_TYPE(iseq) != T_NODE) {
 	argc = caller_setup_args(th, GET_CFP(), flag, argc, 0, 0);
+	CHECK_STACK_OVERFLOW(GET_CFP(), iseq->stack_max);
 
 	DEC_SP(argc);
+
 	argc = th_yield_setup_args(th, iseq, argc, GET_SP(),
 				   block_proc_is_lambda(block->proc));
 	INC_SP(argc);