Use gold for linking on both 32-bit and 64-bit linux GN builds.

build/config/compiler/BUILD.gn

Index: build/config/compiler/BUILD.gn
diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
index 1a7df3025fa011bbc8e1c257f3169229c99594ae..329173197acbcb26f5313c67d229d1256c71d2ad 100644
--- a/build/config/compiler/BUILD.gn
+++ b/build/config/compiler/BUILD.gn
@@ -44,9 +44,9 @@ declare_args() {
   # Requires profiling to be set to true.
   enable_full_stack_frames_for_profiling = false
 
-  # Use gold for linking on 64-bit Linux only (on 32-bit it runs out of
-  # address space, and it doesn't support cross-compiling).
-  use_gold = is_linux && current_cpu == "x64"
+  # Use 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 bit builds.
+  use_gold = is_linux && (current_cpu == "x64" || current_cpu == "x86")
 
   # When we are going to use gold we need to find it.
   if (use_gold) {