bonding_pass.diff

diff --git a/ext/opcache/Optimizer/pass1_5.c b/ext/opcache/Optimizer/pass1_5.c
index b91ac5b..08205c2 100644
--- a/ext/opcache/Optimizer/pass1_5.c
+++ b/ext/opcache/Optimizer/pass1_5.c
@@ -46,6 +46,49 @@ void zend_optimizer_pass1(zend_op_array *op_array, zend_optimizer_ctx *ctx TSRML
 
 	while (opline < end) {
 		switch (opline->opcode) {
+#if 1
+		case ZEND_DECLARE_INHERITED_CLASS:
+		case ZEND_DECLARE_INHERITED_CLASS_DELAYED:
+			/* Try to perform inheritance */
+			if (zend_hash_num_elements(&ctx->script->class_table) > 1
+				&& (opline+1)->opcode != ZEND_ADD_INTERFACE
+				&& (opline+1)->opcode != ZEND_ADD_TRAIT
+				&& (opline+1)->opcode != ZEND_BIND_TRAITS
+				&& (opline+1)->opcode != ZEND_VERIFY_ABSTRACT_CLASS) {
+				/* The parent class name may be found as the second operand 
+				 * of the previous ZEND_FETCH_CLASS opcode */ 
+				zval *parent_name = &op_array->literals[(opline-1)->op2.constant + 1];
+				zend_class_entry *ce = zend_hash_find_ptr(&ctx->script->class_table, Z_STR_P(parent_name));
+
+				if (ce) {
+					if (do_bind_inherited_class(op_array, opline, &ctx->script->class_table, ce, 1) != NULL) {
+						zend_hash_del(&ctx->script->class_table, Z_STR(op_array->literals[opline->op1.constant]));
+
+						if (opline->opcode == ZEND_DECLARE_INHERITED_CLASS_DELAYED) {
+							/* delete from delayed early_binding list */
+							uint32_t *opline_num = &op_array->early_binding;
+
+							while (*opline_num != (uint32_t)-1) {
+								if (*opline_num == opline - op_array->opcodes) {
+									*opline_num = opline->result.opline_num;
+									break;
+								}
+								opline_num = &op_array->opcodes[*opline_num].result.opline_num;
+							}
+						}
+						
+						/* delete DECLARE... and ZEND_FETCH_CLASS opcodes */
+						literal_dtor(&ZEND_OP2_LITERAL(opline));
+						literal_dtor(&ZEND_OP1_LITERAL(opline));
+						MAKE_NOP(opline);
+
+						literal_dtor(&ZEND_OP2_LITERAL(opline-1));
+						MAKE_NOP((opline-1));
+					}
+				}
+			}
+			break;
+#endif
 		case ZEND_ADD:
 		case ZEND_SUB:
 		case ZEND_MUL:

test.log

# master
$ sapi/cgi/php-cgi -T 100000 test.php > /dev/null
Elapsed time: 2.109146 sec

# master + patch
$ sapi/cgi/php-cgi -T 100000 test.php > /dev/null
Elapsed time: 2.241658 sec

test.php

<?php
class B extends A {
	function a() {}
	function b($a, $b) {}
	function c($a, $b, $c) {}
}

class A {
	function b($a, $b) {}
	function c($a, $b, $c) {}
	function d($a, $b, $c, $d) {}
}

$x = new B();
var_dump($x);

I got not the same signature.
I dont know where zend_optimizer_ctx *ctx comes from.

My code looks like if (ZEND_OPTIMIZER_PASS_1 & OPTIMIZATION_LEVEL) {