The powerpc bootstrap fails due to an inner block that has: rtx op1 = XVECEXP (op1, 0, 0);
and this triggers the error: error: op1 may be used uninitialized in this function -- Summary: cond-optab breaks powerpc bootstrap Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: meissner at linux dot vnet dot ibm dot com GCC build triplet: powerpc64-unknown-linux-gnu GCC host triplet: powerpc64-unknown-linux-gnu GCC target triplet: powerpc64-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40118