* gc.c (assign_heap_slot): SEGV happens cause on 64-bit platform

  sometime there should be `objs-=2` instead of `objs--`.
  patched by Sokolov Yura. https://github.com/ruby/ruby/pull/92

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34597 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 3 deletions

diff --git a/gc.c b/gc.c
index 4c5a91ccbb..12dbb115f9 100644
--- a/gc.c
+++ b/gc.c
@@ -1165,9 +1165,7 @@ assign_heap_slot(rb_objspace_t *objspace)
     p = (RVALUE*)((VALUE)p + sizeof(struct heaps_header));
     if ((VALUE)p % sizeof(RVALUE) != 0) {
        p = (RVALUE*)((VALUE)p + sizeof(RVALUE) - ((VALUE)p % sizeof(RVALUE)));
-       if ((HEAP_SIZE - HEAP_OBJ_LIMIT * sizeof(RVALUE)) < (size_t)((char*)p - (char*)membase)) {
-           objs--;
-       }
+       objs = (HEAP_SIZE - (size_t)((VALUE)p - (VALUE)membase))/sizeof(RVALUE);
     }
 
     lo = 0;