Execute libc++abi tests on Armv7 devboard by llvm-clang-win-x-armv7l builder.
diff --git a/buildbot/osuosl/master/config/builders.py b/buildbot/osuosl/master/config/builders.py
index c2a17d6..ae0aca1 100644
--- a/buildbot/osuosl/master/config/builders.py
+++ b/buildbot/osuosl/master/config/builders.py
@@ -179,6 +179,7 @@
                         "check-clang",
                         "check-lld",
                         "check-unwind",
+                        "check-cxxabi",
                       ],
                       extra_configure_args=[
                         "-DDEFAULT_SYSROOT=C:/buildbot/.arm-ubuntu",