* error.c (rb_name_err_mesg_new): guard mesg, recv and method.

  The problem in [ruby-dev:41464] is caused because mesg is collected.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@28163 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 1 deletions

diff --git a/error.c b/error.c
index d5589ccdaf..85f4c2a1be 100644
--- a/error.c
+++ b/error.c
@@ -825,11 +825,16 @@ VALUE
 rb_name_err_mesg_new(VALUE obj, VALUE mesg, VALUE recv, VALUE method)
 {
     VALUE *ptr = ALLOC_N(VALUE, NAME_ERR_MESG_COUNT);
+    VALUE result;
 
     ptr[0] = mesg;
     ptr[1] = recv;
     ptr[2] = method;
-    return TypedData_Wrap_Struct(rb_cNameErrorMesg, &name_err_mesg_data_type, ptr);
+    result = TypedData_Wrap_Struct(rb_cNameErrorMesg, &name_err_mesg_data_type, ptr);
+    RB_GC_GUARD(mesg);
+    RB_GC_GUARD(recv);
+    RB_GC_GUARD(method);
+    return result;
 }
 
 /* :nodoc: */