Fixed double ZEND_TICKS opcode generation for declare()

Zend/tests/declare_005.phpt

@@ -0,0 +1,18 @@
+--TEST--
+Testing declare statement with ticks
+--SKIPIF--
+--FILE--
+<?php
+register_tick_function(function () { echo "tick\n"; });
+function foo() { }
+
+declare(ticks=1) {
+
+$statement;
+foo();
+
+}
+?>
+--EXPECTF--
+tick
+tick

Zend/zend_compile.c

@@ -6827,6 +6827,11 @@ void zend_do_extended_fcall_end(TSRMLS_D) /* {{{ */
 
 void zend_do_ticks(TSRMLS_D) /* {{{ */
 {
+	/* This prevents a double TICK generated by the parser statement of "declare()" */
+	if (CG(active_op_array)->last && CG(active_op_array)->opcodes[CG(active_op_array)->last - 1].opcode == ZEND_TICKS) {
+		return;
+	}
+
 	zend_op *opline = get_next_op(CG(active_op_array) TSRMLS_CC);
 
 	opline->opcode = ZEND_TICKS;