Bootstrapping the current 4.2 branch on alpha-dec-osf5.1b with GCC 3.4 as the bootstrap compiler, I get a comparison failure in exp_aggr.o:
Comparing stages 2 and 3 Bootstrap comparison failure! ./ada/exp_aggr.o differs make[2]: *** [compare] Error 1 There's only a minimal difference in the debugging info: --- prev-gcc/exp_aggr.s Fri Jun 15 21:55:38 2007 +++ gcc/exp_aggr.s Fri Jun 15 21:56:39 2007 @@ -13799,7 +13799,7 @@ beq $0,$L1053 $L974: $LBB210: - #.stabn 68,0,3263,$LM2081 + #.stabn 68,0,3155,$LM2081 $LM2081: bis $31,$31,$1 $L973: This happens since at least 20070506 and only on alpha-dec-osf5.1b, alpha-dec-osf4.0f is unaffected (as is mainline unless I'm mistaken). Environment: System: OSF1 bartok V5.1 2650 alpha Machine: alpha host: alpha-dec-osf5.1b build: alpha-dec-osf5.1b target: alpha-dec-osf5.1b configured with: /vol/gcc/src/gcc-4.2-branch-dist/configure --prefix=/vol/gcc --with-local-prefix=/vol/gcc --disable-nls --host alpha-dec-osf5.1b --build alpha-dec-osf5.1b --target alpha-dec-osf5.1b --with-gmp=/vol/gcc --with-mpfr=/vol/gcc --enable-languages=c,c++,fortran,java,objc,ada How-To-Repeat: Bootstrap the 4.2 branch as described above. -- Summary: [4.2 regression] Ada comparison failure in exp_aggr.o on Tru64 UNIX V5.1B Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: ada AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: ro at techfak dot uni-bielefeld dot de GCC build triplet: alpha-dec-osf5.1b GCC host triplet: alpha-dec-osf5.1b GCC target triplet: alpha-dec-osf5.1b http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32654