[libstdc++ testsuite] all_attributes.cc failures

[David Edelsohn]

Jonathan,

The new testcases are producing new failures on AIX

/nasfarm/edelsohn/src/src/libstdc++-v3/testsuite/17_intro/headers/c++1998/all_attributes.cc:29:16:
error: expected ')' before numeric constant
/nasfarm/edelsohn/src/src/libstdc++-v3/testsuite/17_intro/headers/c++1998/all_attributes.cc:29:16:
error: expected ')' before numeric constant
/tmp/20150130/powerpc-ibm-aix7.1.0.0/libstdc++-v3/include/powerpc-ibm-aix7.1.0.0/bits/gthr-single.h:222:1:
error: expected ',' or '...' before 'static'
/tmp/20150130/powerpc-ibm-aix7.1.0.0/libstdc++-v3/include/powerpc-ibm-aix7.1.0.0/bits/gthr.h:151:27:
error: expected ')' before end of line
/tmp/20150130/powerpc-ibm-aix7.1.0.0/libstdc++-v3/include/powerpc-ibm-aix7.1.0.0/bits/gthr.h:151:27:
error: expected initializer before end of line
/tmp/20150130/powerpc-ibm-aix7.1.0.0/libstdc++-v3/include/powerpc-ibm-aix7.1.0.0/bits/gthr.h:151:27:
error: expected declaration before end of line

I'll open a PR and include the pre-processed source.

- David