skip tests on aarch64 (#1431866)

gc.spec

@@ -2,7 +2,7 @@
 Summary: A garbage collector for C and C++
 Name:    gc
 Version: 7.6.0
-Release: 2%{?dist}
+Release: 3%{?dist}
 
 License: BSD
 Url:     http://www.hboehm.info/gc/
@@ -73,8 +73,9 @@ rm -fv  %{buildroot}%{_libdir}/lib*.la
 ## cordtest segfaults
 %global arch_ignore ||:
 %endif
-## cordtest segfaults or hangs? :(
-%ifnarch %{ix86}
+## cordtest segfaults or hangs on ix86
+## gctest sometimes(?) hangs on aarch64
+%ifnarch aarch64 %{ix86}
 make check %{?arch_ignore}
 %endif
 
@@ -100,6 +101,9 @@ make check %{?arch_ignore}
 
 
 %changelog
+* Tue Mar 14 2017 Rex Dieter <rdieter@fedoraproject.org> - 7.6.0-3
+- skip tests on aarch64 (#1431866)
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 7.6.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild