[Bug debug/46255] New: [4.6 Regression] -fcompare-debug failure with -fprofile-generate

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46255

           Summary: [4.6 Regression] -fcompare-debug failure with
                    -fprofile-generate
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: zso...@seznam.cz


Created attachment 22214
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22214
reduced testcase

Compiler output:
$ gcc -O -fprofile-generate -fcompare-debug pr46254.c 
gcc: error: pr46254.c: -fcompare-debug failure

Tested revisions:
r166105 - fail
r165699 - fail
r163636 - OK
4.5 r165781 - OK