Roll clang 257955:259395

build/config/compiler/BUILD.gn

 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/config.gni")
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/nacl/config.gni")
 import("//build/toolchain/ccache.gni")
 
@@ skipping 865 matching lines @@
     # NaCl's Clang compiler and Chrome's hermetic Clang compiler will almost
     # always have different versions. Certain flags may not be recognized by
     # one version or the other.
     if (!is_nacl) {
       # Flags NaCl (Clang 3.7) does not recognize.
       cflags += [
         # TODO(thakis): Enable this, crbug.com/507717
         "-Wno-shift-negative-value",
       ]
     }
-
-    if (exec_script("//tools/clang/scripts/update.py",
-                    [ "--print-revision" ],
-                    "trim string") != "257955-1") {
-      cflags += [
-        # TODO(thakis): Remove once
-        # https://chromium-review.googlesource.com/#/c/324860/ is in.
-        "-Wno-constant-conversion",
-      ]
-    }
   }
 }
 
 # chromium_code ---------------------------------------------------------------
 #
 # Toggles between higher and lower warnings for code that is (or isn't)
 # part of Chromium.
 
 config("chromium_code") {
   if (is_win) {
@@ skipping 402 matching lines @@
   if (symbol_level == 0) {
     configs = [ ":no_symbols" ]
   } else if (symbol_level == 1) {
     configs = [ ":minimal_symbols" ]
   } else if (symbol_level == 2) {
     configs = [ ":symbols" ]
   } else {
     assert(false)
   }
 }