[PATCH] Avoid spurious testsuite failures

[Benjamin Kosnik]

This is ok with me.

>gcc/testsuite/ChangeLog:
>	* lib/prune.exp (prune_gcc_output): Ignore errata warning from
>	IA64 assembler.
>
>libstdc++-v3/ChangeLog:
>	* testsuite/lib/prune.exp (prune_g++_output): Ignore errata
>	warning from IA64 assembler.

Andreas, probably best if you queue this up for 3.4.1.

-benjamin