[testsuite] ignore irrelevant warning in two ARM tests

[Joseph S. Myers]

On Tue, 24 May 2011, Janis Johnson wrote:

> On ARM, two g++ tests trigger a warning about changed mangling.  The
> warning is not relevant to the purpose of the test, so this patch
> causes it to be ignored.

Various existing tests use -Wno-abi or -Wno-psabi on particular targets 
for such cases.  E.g.

// { dg-options "-Wno-abi" { target arm_eabi } }

-- 
Joseph S. Myers
joseph@codesourcery.com