Roll Android tools to Android M SDK.

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")
 if (current_cpu == "arm") {
   import("//build/config/arm.gni")
 }
 if (current_cpu == "mipsel" || current_cpu == "mips64el") {
@@ skipping 553 matching lines @@
     # to say that it does. Define them here instead.
     defines += [ "HAVE_SYS_UIO_H" ]
 
     # Use gold for Android for most CPU architectures.
     if (current_cpu == "x86" || current_cpu == "x64" || current_cpu == "arm") {
       ldflags += [ "-fuse-ld=gold" ]
       if (is_clang) {
         # Let clang find the ld.gold in the NDK.
         ldflags += [ "--gcc-toolchain=$rebased_android_toolchain_root" ]
       }
+
+      # Use -mstackrealign due to a bug on ia32 Jelly Bean.
+      # See crbug.com/521527
+      if (current_cpu == "x86") {
+        cflags += [ "-mstackrealign" ]
+      }
     }
 
     ldflags += [
       "-Wl,--no-undefined",
 
       # Don't allow visible symbols from libgcc or libc++ to be
       # re-exported.
       "-Wl,--exclude-libs=libgcc.a",
       "-Wl,--exclude-libs=libc++_static.a",
 
@@ skipping 743 matching lines @@
       cflags += [ "-gsplit-dwarf" ]
     }
   }
 }
 
 config("no_symbols") {
   if (!is_win) {
     cflags = [ "-g0" ]
   }
 }