[Bug fortran/69929] New: Internal compiler error GCC$ ATTRIBUTES STDCALL

["physiker at toast2 dot net" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69929

            Bug ID: 69929
           Summary: Internal compiler error GCC$ ATTRIBUTES STDCALL
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: physiker at toast2 dot net
  Target Milestone: ---

Created attachment 37775
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37775&action=edit
Source code

Compiling the file win_gnu_dynlib.f90 causes an internal compiler error.The 
GCC$ ATTRIBUTES STDCALL lines (for windows) are causing the crash.

gfortran-6 -c -v win_gnu_dynlib.f90 
Using built-in specs.
COLLECT_GCC=gfortran-6
Target: x86_64-apple-darwin13.4.0
Configured with: ../gcc/configure --enable-languages=c,c++,fortran,lto
--with-gmp=/sw --with-libiconv-prefix=/sw --with-isl=/sw --with-mpc=/sw
--with-system-zlib --program-suffix=-6
Thread model: posix
gcc version 6.0.0 20160213 (experimental) (GCC) 
COLLECT_GCC_OPTIONS='-c' '-v' '-mmacosx-version-min=10.9.4' '-mtune=core2'
 /usr/local/libexec/gcc/x86_64-apple-darwin13.4.0/6.0.0/f951 win_gnu_dynlib.f90
-fPIC -quiet -dumpbase win_gnu_dynlib.f90 -mmacosx-version-min=10.9.4
-mtune=core2 -auxbase win_gnu_dynlib -version -fintrinsic-modules-path
/usr/local/lib/gcc/x86_64-apple-darwin13.4.0/6.0.0/finclude -o
/var/folders/97/4qnhjhtn25s86s9hkz0h37_m0000gn/T//ccVTJ6eT.s
GNU Fortran (GCC) version 6.0.0 20160213 (experimental)
(x86_64-apple-darwin13.4.0)
        compiled by GNU C version 6.0.0 20160213 (experimental), GMP version
6.1.0, MPFR version 3.1.3, MPC version 1.0.3, isl version 0.14 or 0.13
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU Fortran2008 (GCC) version 6.0.0 20160213 (experimental)
(x86_64-apple-darwin13.4.0)
        compiled by GNU C version 6.0.0 20160213 (experimental), GMP version
6.1.0, MPFR version 3.1.3, MPC version 1.0.3, isl version 0.14 or 0.13
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
'
win_gnu_dynlib.f90:76:0:

     cproc = c_get_procedure( handle, cname )

in pp_format, at pretty-print.c:635

Internal compiler error: Error reporting routines re-entered.
gfortran-6: internal compiler error: Abort trap: 6 (program f951)
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See <http://gcc.gnu.org/bugs.html> for instructions.