Running the testsuite

[TJ Laurenzo <tlaurenzo at gmail dot com>]

I am trying to validate my patch to fix PR 9861 before submitting, but
this is my first experience running the testsuite and interpreting
results.  I am running "make check" on a native build of gcc for
i686-pc-linux-gnu.  Since this is a pre-release version, I expect
there to be some failing tests.  Is there some reference that I can
use to figure out what should and shouldn't be working at this stage?

Since my patch touches the C++ and Java frontends, I am paying
attention to testsuite results from gcc, g++, libstdc++, and libjava. 
Here is a rundown of the failures I am getting.  If someone could let
me know if these errors are inoccuous or not, I would appreciate it:
   - (g++.sum) FAIL: g++.dg/warn/huge-val1.C (test for excess errors)
   - (libstdc++.sum) FAIL: abi_check
   - (libstdc++.sum) XPASS:
26_numerics/cmath/c99_classification_macros_c.cc (test for excess
errors)
   - (libjava.sum) A lot of failures in compile.exp.  They are all
when compiling a test case from byte code.  When I manually ran a
couple of the checks, there seemed to be verification problems.
   - (libjava.sum) FAIL: PR16923.c compilation  (this is a JNI test
and might be related to some tweaking I did to the build)

My patch is attached for reference.  Of the failures I encountered, I
really don't see that they could be the result of this patch. 
Thoughts?

TJ

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