* vm_insnhelper.c (vm_call_cfunc): added volatile for a workaround

of cfp consistency error problem on OS X 10.7 (Lion). It's
  suspected llvm optimization bug.
  [Bug #5076] [ruby-dev:44185]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32628 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,10 @@
+Fri Jul 22 21:46:54 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* vm_insnhelper.c (vm_call_cfunc): added volatile for a workaround
+	  of cfp consistency error problem on OS X 10.7 (Lion). It's
+	  suspected llvm optimization bug.
+	  [Bug #5076] [ruby-dev:44185]
+
 Fri Jul 22 21:18:20 2011  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* lib/uri/generic.rb (WFKV_): unroll the loop of regexp.

vm_insnhelper.c

@@ -387,7 +387,7 @@ call_cfunc(VALUE (*func)(), VALUE recv,
 
 static inline VALUE
 vm_call_cfunc(rb_thread_t *th, volatile rb_control_frame_t *reg_cfp,
-	      int num, VALUE recv, const rb_block_t *blockptr,
+	      int num, volatile VALUE recv, const rb_block_t *blockptr,
 	      const rb_method_entry_t *me)
 {
     volatile VALUE val = 0;