diff -r 000000000000 -r 6474c204b198 gfx/angle/src/compiler/preprocessor/SourceLocation.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/angle/src/compiler/preprocessor/SourceLocation.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,38 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#ifndef COMPILER_PREPROCESSOR_SOURCE_LOCATION_H_
+#define COMPILER_PREPROCESSOR_SOURCE_LOCATION_H_
+
+namespace pp
+{
+
+struct SourceLocation
+{
+    SourceLocation() : file(0), line(0) { }
+    SourceLocation(int f, int l) : file(f), line(l) { }
+
+    bool equals(const SourceLocation& other) const
+    {
+        return (file == other.file) && (line == other.line);
+    }
+
+    int file;
+    int line;
+};
+
+inline bool operator==(const SourceLocation& lhs, const SourceLocation& rhs)
+{
+    return lhs.equals(rhs);
+}
+
+inline bool operator!=(const SourceLocation& lhs, const SourceLocation& rhs)
+{
+    return !lhs.equals(rhs);
+}
+
+}  // namespace pp
+#endif  // COMPILER_PREPROCESSOR_SOURCE_LOCATION_H_