[Bug libc/15105] New: Extra PLT references with -Os

["hjl.tools at gmail dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=15105

             Bug #: 15105
           Summary: Extra PLT references with -Os
           Product: glibc
           Version: 2.18
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: unassigned@sourceware.org
        ReportedBy: hjl.tools@gmail.com
                CC: drepper.fsp@gmail.com
    Classification: Unclassified


When compiling with -Os on x32, elf/check-localplt.out has

Extra PLT reference: libc.so: feof_unlocked
Extra PLT reference: libc.so: __sigaddset
Extra PLT reference: libc.so: strndup
Extra PLT reference: libc.so: gnu_dev_major
Extra PLT reference: libc.so: __sigdelset
Extra PLT reference: libc.so: strdup
Extra PLT reference: libc.so: __argz_next
Extra PLT reference: libc.so: __cmsg_nxthdr
Extra PLT reference: libc.so: gnu_dev_minor
Extra PLT reference: libc.so: gnu_dev_makedev
Extra PLT reference: libc.so: __bzero
Extra PLT reference: libc.so: __sigismember
Extra PLT reference: libc.so: putc_unlocked
Extra PLT reference: libc.so: __signbit
Extra PLT reference: libc.so: fputs
Extra PLT reference: libc.so: tolower
Extra PLT reference: libc.so: __signbitl
Extra PLT reference: libc.so: toupper
Extra PLT reference: libc.so: atoi
Extra PLT reference: libc.so: fputc_unlocked
Extra PLT reference: libc.so: ferror_unlocked
Extra PLT reference: libc.so: getc_unlocked
Extra PLT reference: libc.so: argz_next
Extra PLT reference: libm.so: __signbitf
Extra PLT reference: libm.so: __signbitl
Extra PLT reference: libm.so: __signbit

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