[Bug middle-end/44600] New: warnings about possibly uninitialized locals

[jay dot krell at cornell dot edu]

Various warnings about possibly uninitialized locals.

../../gcc-4.5/gcc/ira-conflicts.c -o ira-conflicts.o
../../gcc-4.5/gcc/ira-conflicts.c: In function ‘print_conflicts’:
../../gcc-4.5/gcc/ira-conflicts.c:698: warning: ‘conflict_a’ may be used
uninitialized in this function

../../gcc-4.5/gcc/loop-iv.c: In function ‘simplify_using_initial_values’:
../../gcc-4.5/gcc/loop-iv.c:1934: warning: ‘src’ may be used uninitialized in
this function
../../gcc-4.5/gcc/loop-iv.c:1934: warning: ‘dest’ may be used uninitialized in
this function

../../gcc-4.5/gcc/final.c: In function ‘final_scan_insn’:
../../gcc-4.5/gcc/final.c:2104: warning: ‘is_stmt’ may be used uninitialized in
this function

../../gcc-4.5/gcc/sel-sched.c: In function ‘fill_vec_av_set’:
../../gcc-4.5/gcc/sel-sched.c:1389: warning: ‘def’ may be used uninitialized in
this function
../../gcc-4.5/gcc/sel-sched.c:1495: warning: ‘def’ may be used uninitialized in
this function
../../gcc-4.5/gcc/sel-sched.c:3237: warning: ‘def’ may be used uninitialized in
this function
../../gcc-4.5/gcc/sel-sched.c: In function ‘sel_sched_region_2’:
../../gcc-4.5/gcc/sel-sched.c:7343: warning: ‘insn’ may be used uninitialized
in this function

../../gcc-4.5/gcc/sel-sched-dump.c: In function ‘dump_av_set’:
../../gcc-4.5/gcc/sel-sched-dump.c:370: warning: ‘expr’ may be used
uninitialized in this function

../../gcc-4.5/gcc/lower-subreg.c -o lower-subreg.o
../../gcc-4.5/gcc/lower-subreg.c: In function ‘decompose_multiword_subregs’:
../../gcc-4.5/gcc/lower-subreg.c:1158: warning: ‘i’ may be used uninitialized
in this function


bootstap is Apple gcc 4.0.1, but either way, I suggest making
the locals "obviously" initialized, to any human or compiler.

Human reader should be able to quickly tell that everything is initialized.


-- 
           Summary: warnings about possibly uninitialized locals
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jay dot krell at cornell dot edu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44600