[libc++abi] Don't use a .sh.cpp test for uncaught_exception

Otherwise, we don't seem to get the DYLD_LIBRARY_PATH set up correctly
and the tests are run against the system libc++abi dylib.

git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@358937 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed