* gc.c (mark_current_machine_context): Call SET_STACK_END.

This reverts a hunk of r40703 by ko1.
  This fixes [ruby-dev:48098] [Bug #9717].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45542 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Wed Apr  9 23:22:44 2014  Tanaka Akira  <akr@fsij.org>
+
+	* gc.c (mark_current_machine_context): Call SET_STACK_END.
+	  This reverts a hunk of r40703 by ko1.
+	  This fixes [ruby-dev:48098] [Bug #9717].
+
 Wed Apr  9 21:02:04 2014  Tanaka Akira  <akr@fsij.org>
 
 	* process.c (OBJ2UID1): Defined even if getpwnam_r is not usable.

gc.c

@@ -3507,6 +3507,7 @@ mark_current_machine_context(rb_objspace_t *objspace, rb_thread_t *th)
     /* This assumes that all registers are saved into the jmp_buf (and stack) */
     rb_setjmp(save_regs_gc_mark.j);
 
+    SET_STACK_END;
     GET_STACK_BOUNDS(stack_start, stack_end, 1);
 
     mark_locations_array(objspace, save_regs_gc_mark.v, numberof(save_regs_gc_mark.v));