[MC] only run ELF/AArch64 if supported

diff --git a/llvm/test/MC/ELF/AArch64/lit.local.cfg b/llvm/test/MC/ELF/AArch64/lit.local.cfg
new file mode 100644 (file)
index 0000000..67e2628
--- /dev/null
+++ b/llvm/test/MC/ELF/AArch64/lit.local.cfg
@@ -0,0 +1,3 @@
+# We have to reset config.unsupported here because the parent directory is
+# predicated on 'X86'.
+config.unsupported = 'AArch64' not in config.root.targets