[Bug c++/13258] New: strings used for the extern keyword are being translated by the -fexec-charset option

["darcypj at us dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>]

Below are compiler setup and compile error messages, it appears that the "C"
and/or the "C++" in extern statements are being translated with the new
-fexec-charset compiler option, and the compiler is expecting 'good old ASCII'
characters when it lexes those statements.

Configured with: /opt/compiler_source/34base/configure --target=s390x-ibm-tpf
--prefix=/opt/tpf-cross-tools --program-prefix=s390x-ibm-tpf-
--enable-languages=c,c++ --with-dwarf2 --disable-threads
--with-binutils=/opt/tpf-cross-tools/bin
--with-libs=/opt/tpf-cross-tools/s390x-ibm-tpf/lib
Thread model: single
gcc version 3.4 20031121 (experimental)

Compile command and error message:
[~/bug]s390x-ibm-tpf-g++ -fexec-charset=IBM1047 -c bugrept.cc -Wall -save-temps
bugrept.cc:1: error: language string `"ÃNN"' not recognized

Note:
"Ã" is the ISO-8859-1 representation of character point /xC3, which is the
letter "C" in IBM1047, and
"ÃNN" is the ISO-8859-1 representation of character points /xC3/x4E/x4E, which
is the string "C++" in IBM1047)

Below is the original .cc file source.  (No includes and about 5 lines so I
considered the .ii file not worth shipping.)

==============begin bugrept.cc source========

extern "C++" {  //alternately use extern "C" {

 int testbug (void) {
   return 0;
 }

} //extern block

==============end bugrept.cc source========

-- 
           Summary: strings used for the extern keyword are being translated
                    by the -fexec-charset option
           Product: gcc
           Version: 3.4
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: darcypj at us dot ibm dot com
                CC: gcc-bugs at gcc dot gnu dot org,zack at codesourcery dot
                    com
 GCC build triplet: s390x-ibm-linux
  GCC host triplet: s390x-ibm-linux
GCC target triplet: s390x-ibm-tpf


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13258