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From: "danglin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libgcc/63182] New: [5.0 Regression] libgcov-interface.c:136:33: error: alias definitions not supported
Date: Fri, 05 Sep 2014 02:45:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63182

            Bug ID: 63182
           Summary: [5.0 Regression] libgcov-interface.c:136:33: error:
                    alias definitions not supported
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libgcc
          Assignee: unassigned at gcc dot gnu.org
          Reporter: danglin at gcc dot gnu.org
              Host: hppa2.0w-hp-hpux11.11
            Target: hppa2.0w-hp-hpux11.11
             Build: hppa2.0w-hp-hpux11.11

/test/gnu/gcc/objdir/./gcc/xgcc -B/test/gnu/gcc/objdir/./gcc/
-B/opt/gnu/gcc/gcc-5.0/hppa2.0w-hp-hpux11.11/bin/
-B/opt/gnu/gcc/gcc-5.0/hppa2.0w-hp-hpux11.11/lib/ -isystem
/opt/gnu/gcc/gcc-5.0/hppa2.0w-hp-hpux11.11/include -isystem
/opt/gnu/gcc/gcc-5.0/hppa2.0w-hp-hpux11.11/sys-include    -g -O2 -O2  -g -O2
-DIN_GCC    -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format
-Wstrict-prototy
pes -Wmissing-prototypes -Wold-style-definition  -isystem ./include  
-frandom-seed=fixed-seed -fPIC -g -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector   -f
random-seed=fixed-seed -fPIC -I. -I. -I../.././gcc -I../../../gcc/libgcc
-I../..
/../gcc/libgcc/. -I../../../gcc/libgcc/../gcc -I../../../gcc/libgcc/../include  
-DHAVE_CC_TLS -DUSE_EMUTLS -o _gcov.o -MT _gcov.o -MD -MP -MF _gcov.dep
-DL_gcov -c ../../../gcc/libgcc/libgcov-driver.c
../../../gcc/libgcc/libgcov-interface.c:136:33: error: alias definitions not
sup
ported in this configuration
 STRONG_ALIAS (__gcov_reset_int, __gcov_reset);
                                 ^
../../../gcc/libgcc/libgcov-interface.c:49:25: note: in definition of macro
'STR
ONG_ALIAS'
   extern __typeof (src) dst __attribute__((alias (#src)))
                         ^
make[3]: *** [_gcov_reset.o] Error 1

Probably introduced by:

2014-09-02  Nathan sidwell  <nathan@acm.org>

        * libgcov-interface.c (STRONG_ALIAS): New.
        (__gcov_flush): Call __gcov_reset_int.
        (__gcov_reset): Strong alias for ...
        (__gcov_reset_ing): ... this renamed hidden version.
        * libgcov.h (__gcov_reset_int): New declaration.