Fixed Bug #60145 (Usage of trait's use statement inside interfaces not properly checked.)

Zend/tests/traits/bug60145.phpt

@@ -0,0 +1,17 @@
+--TEST--
+Bug #60145 (Usage of trait's use statement inside interfaces not properly checked.)
+--FILE--
+<?php
+
+trait foo {
+
+}
+
+interface MyInterface {
+	use foo;
+
+	public function b();
+
+}
+--EXPECTF--
+Fatal error: Cannot use traits inside of interfaces. foo is used in MyInterface in %s on line %d

Zend/zend_compile.c

@@ -5023,6 +5023,12 @@ void zend_do_implements_interface(znode *interface_name TSRMLS_DC) /* {{{ */
 void zend_do_implements_trait(znode *trait_name TSRMLS_DC) /* {{{ */
 {
 	zend_op *opline;
+  if ((CG(active_class_entry)->ce_flags & ZEND_ACC_INTERFACE)) {
+    zend_error(E_COMPILE_ERROR,
+               "Cannot use traits inside of interfaces. %s is used in %s",
+               Z_STRVAL(trait_name->u.constant), CG(active_class_entry)->name);
+  }
+
 
 	switch (zend_get_class_fetch_type(Z_STRVAL(trait_name->u.constant), Z_STRLEN(trait_name->u.constant))) {
 		case ZEND_FETCH_CLASS_SELF: