gcc-dg.exp (dg_runtest_extra_prunes): New variable to define extra prune rules that...

gcc-dg.exp (dg_runtest_extra_prunes): New variable to define extra prune rules that will be applied to all tests in a...

2012-09-19  Terry Guo  <terry.guo@arm.com>

        * lib/gcc-dg.exp (dg_runtest_extra_prunes): New variable to define
        extra prune rules that will be applied to all tests in a .exp file.
        (gcc-dg-prune): Use rules defined by the above variable.
        * gcc.target/arm/arm.exp (dg_runtest_extra_prunes): Skip all the
        harmless warnings on architecture switch conflict.

From-SVN: r191460