gcc segfaults while building libgcc, more specifically _multi3. Here is a reduced testcase:
/* Compile this with ./cc1 -quiet -m64 -O2. */ typedef int TItype __attribute__ ((mode (TI))); void foo (TItype u __attribute__((unused))) { } -- Summary: i686-pc-linux-gnu doesn't build Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: kazu at gcc dot gnu dot org GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30669