Check the result of get_nd_recv before node type check for safety
Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
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@ -5420,9 +5420,9 @@ compile_cpath(LINK_ANCHOR *const ret, rb_iseq_t *iseq, const NODE *cpath)
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static inline int
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private_recv_p(const NODE *node)
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{
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if (nd_type_p(get_nd_recv(node), NODE_SELF)) {
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NODE *self = get_nd_recv(node);
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return RNODE_SELF(self)->nd_state != 0;
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NODE *recv = get_nd_recv(node);
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if (recv && nd_type_p(recv, NODE_SELF)) {
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return RNODE_SELF(recv)->nd_state != 0;
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}
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return 0;
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}
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