Update XFAIL list for new GCC versions

llvm-svn: 371881

Author: EricWF

libcxxabi/test/catch_member_function_pointer_02.pass.cpp

@@ -12,7 +12,7 @@
 
 // GCC 7 and 8 support noexcept function types but this test still fails.
 // This is likely a bug in their implementation. Investigation needed.
-// XFAIL: gcc-7, gcc-8, gcc-9
+// XFAIL: gcc-7, gcc-8, gcc-9, gcc-10
 
 #include <cassert>