JIT: Fixed incorrect overflow detection introduced in a5e502e

Author: dstogov

ext/opcache/jit/zend_jit_arm64.dasc

@@ -12823,6 +12823,8 @@ static int zend_jit_incdec_obj(dasm_State          **Dst,
 			}
 			if (opline->result_type != IS_UNUSED
 			 && (opline->opcode == ZEND_PRE_INC_OBJ || opline->opcode == ZEND_PRE_DEC_OBJ)
+			 && prop_info
+			 && !ZEND_TYPE_IS_SET(prop_info->type)
 			 && (res_info & MAY_BE_GUARD)
 			 && (res_info & MAY_BE_LONG)) {
 				int32_t exit_point = zend_jit_trace_get_exit_point(opline + 1, 0);

ext/opcache/jit/zend_jit_x86.dasc

@@ -13549,6 +13549,8 @@ static int zend_jit_incdec_obj(dasm_State          **Dst,
 			}
 			if (opline->result_type != IS_UNUSED
 			 && (opline->opcode == ZEND_PRE_INC_OBJ || opline->opcode == ZEND_PRE_DEC_OBJ)
+			 && prop_info
+			 && !ZEND_TYPE_IS_SET(prop_info->type)
 			 && (res_info & MAY_BE_GUARD)
 			 && (res_info & MAY_BE_LONG)) {
 				int32_t exit_point = zend_jit_trace_get_exit_point(opline + 1, 0);

ext/opcache/tests/jit/inc_obj_001.phpt

@@ -6,7 +6,6 @@ opcache.enable_cli=1
 opcache.file_update_protection=0
 opcache.jit_buffer_size=1M
 opcache.protect_memory=1
-opcache.jit=function
 --FILE--
 <?php
 class Test {

ext/opcache/tests/jit/inc_obj_002.phpt

@@ -0,0 +1,33 @@
+--TEST--
+PRE_INC_OBJ: 002
+--INI--
+opcache.enable=1
+opcache.enable_cli=1
+opcache.file_update_protection=0
+opcache.jit_buffer_size=1M
+opcache.protect_memory=1
+--FILE--
+<?php
+class Test {
+    function foo() {
+        $this->prop = PHP_INT_MAX - 5;
+        for ($i = 0; $i < 10; $i++) {
+            var_dump(++$this->prop);
+        }
+    }
+}
+
+$test = new Test;
+$test->foo();
+?>
+--EXPECTF--
+int(%d)
+int(%d)
+int(%d)
+int(%d)
+int(%d)
+float(%f)
+float(%f)
+float(%f)
+float(%f)
+float(%f)