[Bug c++/49837] New: File with UTF-8 BOM, included from pch, caused compilation error

[woodroof at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49837

           Summary: File with UTF-8 BOM, included from pch, caused
                    compilation error
           Product: gcc
           Version: 4.4.5
            Status: UNCONFIRMED
          Severity: major
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: woodroof@gmail.com


Created attachment 24823
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24823
Header file with bom

gcc -v:
Using built-in specs.
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro
4.4.4-14ubuntu5' --with-bugurl=file:///usr/share/doc/gcc-4.4/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.4 --enable-shared --enable-multiarch
--enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib
--without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.4 --libdir=/usr/lib --enable-nls
--with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc
--disable-werror --with-arch-32=i686 --with-tune=generic
--enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu
--target=x86_64-linux-gnu
Thread model: posix
gcc version 4.4.5 (Ubuntu/Linaro 4.4.4-14ubuntu5)

Failed attempt:
g++ -x c++-header -c stable.h -o stable.gch/c++
g++ -include ./stable 1.cpp

Output:
In file included from stable.h:1,
                 from 1.cpp:1:
1.h:4: error: redefinition of ‘template<class A, class B> B convert(A)’
1.h:4: error: ‘template<class A, class B> B convert(A)’ previously declared
here

Successful:
g++ 1.cpp

Empty output.