vm_eval.c (rb_yield_splat): add missing GC guard

Nobody uses this function in our source tree, but maybe this
bug is triggered by certain C extensions.

[Bug #10509]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48417 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/vm_eval.c b/vm_eval.c
index a057ece390..ee984c7402 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -989,6 +989,7 @@ rb_yield_splat(VALUE values)
         rb_raise(rb_eArgError, "not an array");
     }
     v = rb_yield_0(RARRAY_LENINT(tmp), RARRAY_CONST_PTR(tmp));
+    RB_GC_GUARD(tmp);
     return v;
 }