From: Dmitry Stogov <dmitry@zend.com>
Date: Mon, 16 Nov 2020 10:19:44 +0000 (+0300)
Subject: Fixed inconsistent VM stack state
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bd321df47925db2186d6a95e16e9ebca036b08ca;p=php

Fixed inconsistent VM stack state
---

diff --git a/ext/opcache/jit/zend_jit_x86.dasc b/ext/opcache/jit/zend_jit_x86.dasc
index 42b0e1940c..8b61d5b092 100644
--- a/ext/opcache/jit/zend_jit_x86.dasc
+++ b/ext/opcache/jit/zend_jit_x86.dasc
@@ -10092,7 +10092,10 @@ static int zend_jit_do_fcall(dasm_State **Dst, const zend_op *opline, const zend
 		if (JIT_G(trigger) != ZEND_JIT_ON_HOT_TRACE ||
 		    !JIT_G(current_frame) ||
 		    !JIT_G(current_frame)->call ||
-		    !TRACE_FRAME_IS_NESTED(JIT_G(current_frame)->call)) {
+		    !TRACE_FRAME_IS_NESTED(JIT_G(current_frame)->call) ||
+		    prev_opline->opcode == ZEND_SEND_UNPACK ||
+		    prev_opline->opcode == ZEND_SEND_ARRAY ||
+			prev_opline->opcode == ZEND_CHECK_UNDEF_ARGS) {
 
 			|	// zend_vm_stack_free_call_frame(call);
 			|	test byte [RX + offsetof(zend_execute_data, This.u1.type_info) + 2], (ZEND_CALL_ALLOCATED >> 16)