Add test cases to replicate failures where late static binding can be mistakenly confused as static variable declarations.

Author: illusori

Tests/CodeAnalysis/VariableAnalysisUnitTest.inc

@@ -420,3 +420,11 @@ class ClassWithSymbolicRefProperty {
 function function_with_pass_by_ref_assign_only_arg(&$return_value) {
     $return_value = 42;
 }
+
+class ClassWithLateStaticBinding {
+    static function method_with_late_static($param) {
+        static::some_method($param);
+        static::some_method($var);
+        static::some_method(static::CONSTANT, $param);
+    }
+}

Tests/CodeAnalysis/VariableAnalysisUnitTest.php

@@ -215,6 +215,12 @@ private function _getWarningAndErrorList() {
                 ($base += 10) => 0,
                 ($base + 5)   => 1,  //  $undefined_method
                 ($base + 6)   => 1,  //  $undefined_method
+                //  function_with_pass_by_ref_assign_only_arg() line (+11)
+                //    no warnings.
+                ($base += 11) => 0,
+                //  method_with_late_static_binding() line (+5)
+                ($base += 5)  => 0,
+                ($base + 2)   => 1,  //  $var
                );
     }//end _getWarningAndErrorList()