From: Dmitry Stogov <dmitry@zend.com>
Date: Mon, 16 Nov 2020 11:51:55 +0000 (+0300)
Subject: Fixed reference-counting
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=eb6d496a93b66b51476e6d26921036440bab82b6;p=php

Fixed reference-counting
---

diff --git a/ext/opcache/jit/zend_jit_x86.dasc b/ext/opcache/jit/zend_jit_x86.dasc
index 8b61d5b092..15b2420b43 100644
--- a/ext/opcache/jit/zend_jit_x86.dasc
+++ b/ext/opcache/jit/zend_jit_x86.dasc
@@ -12015,6 +12015,13 @@ static int zend_jit_fetch_dim(dasm_State    **Dst,
 		}
 	}
 
+#ifdef ZEND_JIT_USE_RC_INFERENCE
+	if ((opline->op2_type & (IS_TMP_VAR|IS_VAR)) && (op1_info & (MAY_BE_UNDEF|MAY_BE_NULL|MAY_BE_FALSE|MAY_BE_ARRAY|MAY_BE_OBJECT))) {
+		/* ASSIGN_DIM may increase refcount of the key */
+		op2_info |= MAY_BE_RCN;
+	}
+#endif
+
 	|8:
 	|	FREE_OP opline->op2_type, opline->op2, op2_info, 0, opline