When running the testsuite for GCC 4.0.1 RC 2 (http://gcc.gnu.org/ml/gcc-testresults/2005-06/msg01068.html)
I get the following error: FAIL: abi_check The above testsuite failure does not occur with GCC 4.0-20050616 snapshot (http://gcc.gnu.org/ml/gcc-testresults/2005-06/msg01025.html) -- Summary: [4.0 Regression] libstdc+++ ABI Product: gcc Version: 4.0.1 Status: UNCONFIRMED Severity: normal Priority: P2 Component: libstdc++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: themis_hv at yahoo dot co dot uk CC: gcc-bugs at gcc dot gnu dot org,mark at codesourcery dot com GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22111