build: Remove build system support for gold plugin, except under ChromeOS.

build/toolchain/linux/BUILD.gn

 # Copyright 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/compiler/compiler.gni")
 import("//build/config/sysroot.gni")
 import("//build/toolchain/gcc_toolchain.gni")
 
 clang_toolchain("clang_arm") {
   toolprefix = "arm-linux-gnueabihf-"
   toolchain_args = {
     current_cpu = "arm"
     current_os = "linux"
   }
 }
@@ skipping 37 matching lines @@
 
   toolchain_args = {
     current_cpu = "arm"
     current_os = "linux"
     is_clang = false
   }
 }
 
 clang_toolchain("clang_x86") {
   # Output linker map files for binary size analysis.
-  enable_linker_map = true
+  # Currently disabled on LLD because of a bug (fixed upstream).
+  # See https://crbug.com/716209.
+  enable_linker_map = !use_lld
 
   toolchain_args = {
     current_cpu = "x86"
     current_os = "linux"
   }
 }
 
 clang_toolchain("clang_x86_v8_arm") {
   toolchain_args = {
     current_cpu = "x86"
@@ skipping 13 matching lines @@
 gcc_toolchain("x86") {
   cc = "gcc"
   cxx = "g++"
 
   readelf = "readelf"
   nm = "nm"
   ar = "ar"
   ld = cxx
 
   # Output linker map files for binary size analysis.
-  enable_linker_map = true
+  # Currently disabled on LLD because of a bug (fixed upstream).
+  # See https://crbug.com/716209.
+  enable_linker_map = !use_lld
 
   toolchain_args = {
     current_cpu = "x86"
     current_os = "linux"
     is_clang = false
   }
 }
 
 clang_toolchain("clang_x64") {
   # Output linker map files for binary size analysis.
-  enable_linker_map = true
+  # Currently disabled on LLD because of a bug (fixed upstream).
+  # See https://crbug.com/716209.
+  enable_linker_map = !use_lld
 
   toolchain_args = {
     current_cpu = "x64"
     current_os = "linux"
   }
 }
 
 clang_toolchain("clang_x64_v8_arm64") {
   toolchain_args = {
     current_cpu = "x64"
@@ skipping 13 matching lines @@
 gcc_toolchain("x64") {
   cc = "gcc"
   cxx = "g++"
 
   readelf = "readelf"
   nm = "nm"
   ar = "ar"
   ld = cxx
 
   # Output linker map files for binary size analysis.
-  enable_linker_map = true
+  # Currently disabled on LLD because of a bug (fixed upstream).
+  # See https://crbug.com/716209.
+  enable_linker_map = !use_lld
 
   toolchain_args = {
     current_cpu = "x64"
     current_os = "linux"
     is_clang = false
   }
 }
 
 clang_toolchain("clang_mipsel") {
   toolchain_args = {
@@ skipping 43 matching lines @@
   nm = "nm"
   ar = "ar"
   ld = cxx
 
   toolchain_args = {
     current_cpu = "ppc64"
     current_os = "linux"
     is_clang = false
   }
 }