Merge branch 'PHP-8.0'

* PHP-8.0:
  Stop on fake frame
  Fixed reference-counting propagation

Author: dstogov

ext/opcache/jit/zend_jit_trace.c

@@ -1751,6 +1751,9 @@ static zend_ssa *zend_jit_trace_build_tssa(zend_jit_trace_rec *trace_buffer, uin
 								}
 							}
 						}
+						if (opline->op1_type == IS_CV && (info & MAY_BE_RC1)) {
+							info |= MAY_BE_RCN;
+						}
 						if (info & MAY_BE_UNDEF) {
 							info |= MAY_BE_NULL;
 							info &= ~MAY_BE_UNDEF;

ext/opcache/jit/zend_jit_vm_helpers.c

@@ -406,7 +406,7 @@ static int zend_jit_trace_recursive_ret_count(const zend_op_array *op_array, con
 
 static int zend_jit_trace_has_recursive_ret(zend_execute_data *ex, const zend_op_array *orig_op_array, const zend_op *orig_opline, int ret_level)
 {
-	while (ex != NULL && ret_level < ZEND_JIT_TRACE_MAX_RET_DEPTH) {
+	while (ex != NULL && ex->func != NULL && ret_level < ZEND_JIT_TRACE_MAX_RET_DEPTH) {
 		if (&ex->func->op_array == orig_op_array && ex->opline + 1 == orig_opline) {
 			return 1;
 		}