[Bug libstdc++/90252] PSTL test failures

[rodgertq at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90252

--- Comment #2 from Thomas Rodgers <rodgertq at gcc dot gnu.org> ---
Author: rodgertq
Date: Tue May 21 04:37:45 2019
New Revision: 271451

URL: https://gcc.gnu.org/viewcvs?rev=271451&root=gcc&view=rev
Log:
tbb-backend effective target should check ability to link TBB

            PR libstdc++/90252
            * testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
            Changed v3_target_compile check from preprocess to executable.
            Added "-ltbb" to v3_target_compile flags.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/testsuite/lib/libstdc++.exp