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authorusa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-02-25 06:26:48 +0000
committerusa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-02-25 06:26:48 +0000
commit852d56ff805dc0c266fb9643b24db4819898ad87 (patch)
tree7e00d1eec021201935748a8362035f67cca4e385 /vm_insnhelper.c
parent94ec0a64197ab7a0edfb6599074df0a2920607e4 (diff)
merge revision(s) 49685,49687: [Backport #10885]
* vm_insnhelper.c (rb_vm_rewrite_cref_stack): copy nd_refinements of orignal crefs. It fixes segmentation fault when calling refined method in duplicate module. [ruby-dev:48878] [Bug #10885] * vm_core.h, class.c: change accordingly. * test/ruby/test_refinement.rb: add a test for above. of original crefs. It fixes segmentation fault when calling git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@49739 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'vm_insnhelper.c')
-rw-r--r--vm_insnhelper.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index 9f3a641fbe..707739e98f 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -295,6 +295,26 @@ rb_vm_get_cref(const rb_iseq_t *iseq, const VALUE *ep)
return cref;
}
+void
+rb_vm_rewrite_cref_stack(NODE *node, VALUE old_klass, VALUE new_klass, NODE **new_cref_ptr)
+{
+ NODE *new_node;
+ while (node) {
+ if (node->nd_clss == old_klass) {
+ new_node = NEW_CREF(new_klass);
+ COPY_CREF_OMOD(new_node, node);
+ *new_cref_ptr = new_node;
+ return;
+ }
+ new_node = NEW_CREF(node->nd_clss);
+ COPY_CREF_OMOD(new_node, node);
+ node = node->nd_next;
+ *new_cref_ptr = new_node;
+ new_cref_ptr = &new_node->nd_next;
+ }
+ *new_cref_ptr = NULL;
+}
+
static NODE *
vm_cref_push(rb_thread_t *th, VALUE klass, int noex, rb_block_t *blockptr)
{