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