The test gcc.c-torture/execute/mayalias-2.c is causing an ICE when compiled with -g. The failure can be reproduced as far back as gcc 4.0, but gcc-3.3 works.
$ ./xgcc -B./ -g -c ../../gcc/testsuite/gcc.c-torture/execute/mayalias-2.c ../../gcc/testsuite/gcc.c-torture/execute/mayalias-2.c:2: internal compiler error: in splice_child_die, at dwarf2out.c:5589 -- Summary: [4.0/4.1/4.2/4.3 regression] ICE in splice_child_die Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: debug AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: schwab at suse dot de GCC target triplet: ia64-*-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30986