+#notarget: arc-*-* d30v-*-* dlx-*-* i960-*-* pj*-*-*
+#notarget: hppa64-*-* i370-*-* i860-*-* ia64-*-* mep-*-* mn10200-*-*
+#xfail: cr16-*-* crx-*-*
+# generic linker targets don't support --gc-sections, nor do a bunch of others
+# cr16 and crx use non-standard scripts with memory regions, which don't play
+# well with unique group sections under ld -r.