Use gold and the bundled binutils on x86 by default

build/config/compiler/compiler.gni

Index: build/config/compiler/compiler.gni
diff --git a/build/config/compiler/compiler.gni b/build/config/compiler/compiler.gni
index bc0a6e41944b7e68b40489bc0894f710a957d13a..4711cd38181f3436ed6b458bdf6bd9b1f2ff25b1 100644
--- a/build/config/compiler/compiler.gni
+++ b/build/config/compiler/compiler.gni
@@ -35,11 +35,9 @@ declare_args() {
 }
 
 declare_args() {
-  # TODO: We should be using 64-bit gold for linking on both 64-bit Linux
-  # and 32-bit linux; 32-bit Gold runs out of address-space on 32-bit builds.
-  # However, something isn't quite working right on the 32-bit builds.
   use_gold = !use_lld &&
-             ((is_linux && (current_cpu == "x64" || current_cpu == "arm")) ||
+             ((is_linux && (current_cpu == "x64" || current_cpu == "x86" ||
+                            current_cpu == "arm")) ||
               (is_android && (current_cpu == "x86" || current_cpu == "x64" ||
                               current_cpu == "arm")))
 }