GN: Set -fstack-protector for arm64 to match GYP

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 145 matching lines @@
       # //build/config/gcc:symbol_visibility_hidden.
       "-fvisibility-inlines-hidden",
     ]
 
     # Stack protection.
     if (is_mac) {
       cflags += [ "-fstack-protector-all" ]
     } else if (is_posix && !is_chromeos && !is_nacl) {
       # TODO(phajdan.jr): Use -fstack-protector-strong when our gcc supports it.
       cflags += [ "--param=ssp-buffer-size=4" ]
-      if (is_android && (current_cpu == "arm64" || current_cpu == "x86")) {

[agrieve, 2016/02/04 02:15:47]

Hmm, yeah, i got nothing :(.

Could you also add the comment from common.gypi:

# The x86 toolchain currently has problems with stack-protector.

+      if (is_android && current_cpu == "x86") {
         cflags += [ "-fno-stack-protector" ]
       } else {
         cflags += [ "-fstack-protector" ]
       }
     }
 
     # Linker warnings.
     if (!(is_chromeos && current_cpu == "arm") &&
         !(is_android && use_order_profiling) && !is_mac && !is_ios) {
       # TODO(jochen): Enable this on chromeos on arm. http://crbug.com/356580
@@ skipping 1118 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)
   }
 }