Make class name references use the class_name production

Throw a compile error for "static" references instead, where it
isn't already the case.

Also extract the code that does that -- we have quite a few places
where we get a const class ref and require it to be default.

1 files changed, 18 insertions, 0 deletions

diff --git a/Zend/tests/static_in_trait_insteadof_reference.phpt b/Zend/tests/static_in_trait_insteadof_reference.phpt
new file mode 100644
index 0000000000..95a6b3c170
--- /dev/null
+++ b/Zend/tests/static_in_trait_insteadof_reference.phpt
@@ -0,0 +1,18 @@
+--TEST--
+Cannot use static in trait insteadof method reference
+--FILE--
+<?php
+
+trait SomeTrait {
+    public function foobar() {}
+}
+
+class Test {
+    use SomeTrait {
+        static::foobar insteadof SomeTrait;
+    }
+}
+
+?>
+--EXPECTF--
+Fatal error: Cannot use 'static' as trait name, as it is reserved in %s on line %d