[Bug fortran/57495] New: Compiling mingw targets with -mcmodel=large causes assert

[tim at marlettesoftware dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57495

            Bug ID: 57495
           Summary: Compiling mingw targets with -mcmodel=large causes
                    assert
           Product: gcc
           Version: 4.7.4
            Status: UNCONFIRMED
          Severity: major
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tim at marlettesoftware dot com

When compiling a program with either Lahey-GNU Fortran (4.7.3) or a mingw
personal build (4.7.2) using the -mcmodel=large switch, the following assertion
is triggered:

C:\gccbuild\test\gfortran>echo end > end.f90

C:\gccbuild\test\gfortran>gfortran -mcmodel=large -o end.exe end.f90
c:/msys/mingw32-64/bin/../lib/gcc/x86_64-w64-mingw32/4.7.3/../../../../x86_64-w64-mingw32/bin/as.exe:
BFD (Shasta) 2.23.
52.20130412 assertion fail
../../../gcc-4_7-branch/binutils/bfd/coff-x86_64.c:682
C:\Users\Builder7\AppData\Local\Temp\ccMjbWKn.s: Assembler messages:
C:\Users\Builder7\AppData\Local\Temp\ccMjbWKn.s:29: Error: cannot represent
relocation type BFD_RELOC_X86_64_GOTPC64

Not sure if it will help, but here are my compiler specs:

C:\gccbuild\test\gfortran>gfortran -v
Using built-in specs.
COLLECT_GCC=gfortran
COLLECT_LTO_WRAPPER=c:/msys/mingw32-64/bin/../libexec/gcc/x86_64-w64-mingw32/4.7.3/lto-wrapper.exe
Target: x86_64-w64-mingw32
Configured with: ../gcc-4_7-branch/configure --prefix=/mingw32-64
--with-sysroot=/mingw32-64 --build=i686-w64-mingw32 --host=i686-w64-mingw32
--target=x86_64-w64-mingw32
--enable-targets=x86_64-w64-mingw32,i686-w64-mingw32 --disable-shared
--enable-static --disable-win32-registry --enable-version-specific-runtime-libs
--enable-languages=c,fortran,lto --enable-libgomp --enable-lto --enable-libssp
--enable-fat --enable-checking=release --enable-cloog-backend=isl
--disable-cloog-version-check --disable-ppl-version-check --with-gcc
--with-gnu-as --with-gnu-ld --with-ppl --with-dwarf2 --with-iconv
--with-pkgversion=Shasta --with-bugurl=support@lahey.com
--with-host-libstdcxx='-L/c/mingw32/lib -lstdc++ -lsupc++' --disable-werror
--disable-bootstrap --disable-build-with-cxx
Thread model: win32
gcc version 4.7.3 20130225 (prerelease) (Shasta)