rb_num_t happen to be unsigned; introduce signed variant

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61728 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/vm_core.h b/vm_core.h
index 1be20c1356..7801ce1706 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -136,6 +136,7 @@
 #endif /* OPT_CALL_THREADED_CODE */
 
 typedef unsigned long rb_num_t;
+typedef   signed long rb_snum_t;
 
 enum ruby_tag_type {
     RUBY_TAG_NONE	= 0x0,