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Check the result of get_nd_recv before node type check for safety

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Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
This commit is contained in:
Yuichiro Kaneko 2023-10-01 23:46:19 +09:00
parent 81668579ed
commit 1ed6fd8997
1 changed files with 3 additions and 3 deletions
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6
compile.c
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@ -5420,9 +5420,9 @@ compile_cpath(LINK_ANCHOR *const ret, rb_iseq_t *iseq, const NODE *cpath)
static inline int
private_recv_p(const NODE *node)
{
if (nd_type_p(get_nd_recv(node), NODE_SELF)) {
NODE *self = get_nd_recv(node);
return RNODE_SELF(self)->nd_state != 0;
NODE *recv = get_nd_recv(node);
if (recv && nd_type_p(recv, NODE_SELF)) {
return RNODE_SELF(recv)->nd_state != 0;
}
return 0;
}