[PATCH] mark libstdc++ tests unsupported if they fail with "relocation truncated"

[Jonathan Wakely]

On 13/10/15 10:12 +0100, Szabolcs Nagy wrote:
>Dejagnu tweak:
>Check the compiler output in libstdc++-dg-test using
>${tool}_check_unsupported_p and mark the output
>unsupported accordingly to avoid "relocation truncated"
>failures cluttering the test results on aarch64-none-elf
>with -mcmodel=tiny. (gcc torture tests already use this
>predicate for this reason.)
>
>This is a revision of
>https://gcc.gnu.org/ml/libstdc++/2015-01/msg00198.html
>which had problems because the unsupported result was
>propagated to and handled by dg-runtest differently
>than expected.
>
>Is it OK?

OK, assuming this was tested on a primary platform and didn't change
the libstdc++ testresults.