Always generate interrupt check in jit

Even if zend_interrupt_function is NULL, we still need to perform
the interrupt check for timeouts (which do not use
zend_interrupt_function).

Author: nikic

ext/opcache/jit/zend_jit_x86.dasc

@@ -2680,28 +2680,25 @@ static int zend_jit_set_valid_ip(dasm_State **Dst, const zend_op *opline)
 
 static int zend_jit_check_timeout(dasm_State **Dst, const zend_op *opline)
 {
-	if (zend_interrupt_function) {
 #if 0
-		if (!zend_jit_set_valid_ip(Dst, opline)) {
-			return 0;
-		}
-		|	MEM_OP2_1_ZTS cmp, byte, executor_globals, vm_interrupt, 0, r0
-		|	jne ->interrupt_handler
+	if (!zend_jit_set_valid_ip(Dst, opline)) {
+		return 0;
+	}
+	|	MEM_OP2_1_ZTS cmp, byte, executor_globals, vm_interrupt, 0, r0
+	|	jne ->interrupt_handler
 #else
-		|	MEM_OP2_1_ZTS cmp, byte, executor_globals, vm_interrupt, 0, r0
-		if (last_valid_opline == opline) {
-			|	jne ->interrupt_handler
-		} else {
-			|	jne >1
-			|.cold_code
-			|1:
-			|	LOAD_IP_ADDR opline
-			|	jmp ->interrupt_handler
-			|.code
-	    }
-		return 1;
-#endif
+	|	MEM_OP2_1_ZTS cmp, byte, executor_globals, vm_interrupt, 0, r0
+	if (last_valid_opline == opline) {
+		|	jne ->interrupt_handler
+	} else {
+		|	jne >1
+		|.cold_code
+		|1:
+		|	LOAD_IP_ADDR opline
+		|	jmp ->interrupt_handler
+		|.code
 	}
+#endif
 	return 1;
 }