On Linux/x86, gcc 4.5/4.6 failed one bison 2.4.2 test: 81: Action synch line FAILED (synclines.at:144)
Gcc 4.4 is OK. -- Summary: [4.5/4.6 regression] One bison 2.4.2 test failed Product: gcc Version: 4.5.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hjl dot tools at gmail dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44729