build: Allow ICF on architectures other than x86 and x64.

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 5961d2fbdb91d768b5bed0fe3cb08c9ddbd1d938..dcfa73380928b3ef3b6d7847c8746ef6c75fb84d 100644
--- a/build/config/compiler/BUILD.gn
+++ b/build/config/compiler/BUILD.gn
@@ -400,7 +400,10 @@ config("compiler") {
     # merged.  See also https://crbug.com/663886
     # `linux_use_bundled_binutils` is to avoid breaking Linux distros which may
     # still have a buggy gold.
-    if (!is_android && linux_use_bundled_binutils) {
+    # The bug only affects x86 and x64, so we can still use ICF when targeting
+    # other architectures.
+    if ((!is_android && linux_use_bundled_binutils) ||
+        !(current_cpu == "x86" || current_cpu == "x64")) {
       ldflags += [ "-Wl,--icf=all" ]
     }
   }