[Bug bootstrap/51112] New: [4.7 Regression] LTO bootstrap failed with bootstrap-profiled

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51112

             Bug #: 51112
           Summary: [4.7 Regression] LTO bootstrap failed with
                    bootstrap-profiled
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com


On Linux/x86-64, revision 181327 failed to profiledbootstrap
with LTO enabled:

../../src-trunk/gcc/tree-vect-stmts.c: In function
'vectorizable_condition(gimple_statement_d*, gimple_stmt_iterator*,
gimple_statement_d**, tree_node*, int, _slp_tree*)':
../../src-trunk/gcc/tree-vect-stmts.c:5060:59: error: 'comp_vectype' may be
used uninitialized in this function [-Werror=maybe-uninitialized]