[Bug lto/44248] New: -fcompare-debug failure with -flto/-fwhopr -g

[zsojka at seznam dot cz]

Command line:
$ gcc -O[123s] -flto -g -fcompare-debug testcase.c
or
$ gcc -O[123s] -fwhopr -g -fcompare-debug testcase.c

Compiler output (-flto):
$ gcc -O1 -flto -g -fcompare-debug testcase.c
gcc: /tmp/cc3798AZ.o: -fcompare-debug failure (length)
lto-wrapper: /mnt/svn/gcc-trunk/binary-159696-lto-fortran/bin/gcc returned 1
exit status
lto-wrapper: deleting LTRANS file /tmp/cc2LW9RS.lto.o: No such file or
directory
collect2: lto-wrapper returned 1 exit status

Compiler output (-fwhopr):
$ gcc -O1 -fwhopr -g -fcompare-debug testcase.c
gcc: /tmp/ccWFke0t.wpa.o: -fcompare-debug failure (length)
lto-wrapper: /mnt/svn/gcc-trunk/binary-159696-lto-fortran/bin/gcc returned 1
exit status
collect2: lto-wrapper returned 1 exit status

Tested revisions:
r159696 - fail
r158095 - fail
4.5 r158978 - fail


-- 
           Summary: -fcompare-debug failure with -flto/-fwhopr -g
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: zsojka at seznam dot cz
  GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44248