nobu	2015-12-12 18:00:27 +0900 (Sat, 12 Dec 2015)

  New Revision: 53054

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=53054

  Log:
    vm.c: free tables at destruction
    
    * vm.c (ruby_vm_destruct): free loading_table and fronzen_strings
      tables at destruction.

  Modified files:
    trunk/vm.c
Index: vm.c
===================================================================
--- vm.c	(revision 53053)
+++ vm.c	(revision 53054)
@@ -2018,6 +2018,13 @@ rb_vm_add_root_module(ID id, VALUE modul https://github.com/ruby/ruby/blob/trunk/vm.c#L2018
     return TRUE;
 }
 
+static int
+free_loading_table_entry(st_data_t key, st_data_t value, st_data_t arg)
+{
+    xfree((char *)key);
+    return ST_DELETE;
+}
+
 int
 ruby_vm_destruct(rb_vm_t *vm)
 {
@@ -2033,6 +2040,15 @@ ruby_vm_destruct(rb_vm_t *vm) https://github.com/ruby/ruby/blob/trunk/vm.c#L2040
 	}
 	rb_vm_living_threads_init(vm);
 	ruby_vm_run_at_exit_hooks(vm);
+	if (vm->loading_table) {
+	    st_foreach(vm->loading_table, free_loading_table_entry, 0);
+	    st_free_table(vm->loading_table);
+	    vm->loading_table = 0;
+	}
+	if (vm->frozen_strings) {
+	    st_free_table(vm->frozen_strings);
+	    vm->frozen_strings = 0;
+	}
 	rb_vm_gvl_destroy(vm);
 	if (objspace) {
 	    rb_objspace_free(objspace);

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