* vm.c (ruby_vm_destruct): do not use ruby_xfree() after freeing

  objspace.
* gc.c (ruby_mimfree): added. It is similar to ruby_mimmalloc().
* internal.h: ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43771 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 3 deletions

diff --git a/vm.c b/vm.c
index 77a77ea97b..5acdf2b333 100644
--- a/vm.c
+++ b/vm.c
@@ -1654,14 +1654,15 @@ ruby_vm_destruct(rb_vm_t *vm)
 	    st_free_table(vm->living_threads);
 	    vm->living_threads = 0;
 	}
+	ruby_vm_run_at_exit_hooks(vm);
+	rb_vm_gvl_destroy(vm);
 #if defined(ENABLE_VM_OBJSPACE) && ENABLE_VM_OBJSPACE
 	if (objspace) {
 	    rb_objspace_free(objspace);
 	}
 #endif
-	ruby_vm_run_at_exit_hooks(vm);
-	rb_vm_gvl_destroy(vm);
-	ruby_xfree(vm);
+	/* after freeing objspace, you *can't* use ruby_xfree() */
+	ruby_mimfree(vm);
 	ruby_current_vm = 0;
     }
     RUBY_FREE_LEAVE("vm");