gfortran fails with ICE on x86_64-pc-mingw32

[NightStrike <nightstrike at gmail dot com>]

I think Kai has a patch for this waiting for approval.  In case he
doesn't, does this look familiar to anyone?



../../../gcc/libssp/ssp.c: In function 'fail':
../../../gcc/libssp/ssp.c:109: warning: implicit declaration of
function 'alloca'
../../../gcc/libssp/ssp.c:109: warning: incompatible implicit
declaration of built-in function 'alloca'
../../../gcc/libssp/ssp.c: In function '__stack_chk_fail_local':
../../../gcc/libssp/ssp.c:177: warning: visibility attribute not
supported in this configuration; ignored
../../../gcc/libssp/gets-chk.c: In function '__gets_chk':
../../../gcc/libssp/gets-chk.c:66: warning: implicit declaration of
function 'alloca'
../../../gcc/libssp/gets-chk.c:66: warning: incompatible implicit
declaration of built-in function 'alloca'
libtool: link: warning: undefined symbols not allowed in
x86_64-pc-mingw32 shared libraries
../../../gcc/libssp/ssp-local.c: In function '__stack_chk_fail_local':
../../../gcc/libssp/ssp-local.c:50: warning: visibility attribute not
supported in this configuration; ignored
libtool: link: warning: undefined symbols not allowed in
x86_64-pc-mingw32 shared libraries
libtool: link: warning: undefined symbols not allowed in
x86_64-pc-mingw32 shared libraries
../../../gcc/libgfortran/runtime/backtrace.c:66: warning:
'local_strcasestr' defined but not used
../../../gcc/libgfortran/runtime/main.c: In function 'cleanup':
../../../gcc/libgfortran/runtime/main.c:175: warning: passing argument
1 of 'free' discards qualifiers from pointer target type
../../../gcc/libgfortran/runtime/select.c: In function 'select_string':
../../../gcc/libgfortran/runtime/select.c:56: warning: 'default_jump'
may be used uninitialized in this function
../../../gcc/libgfortran/generated/product_c4.c: In function 'mproduct_c4':
../../../gcc/libgfortran/generated/product_c4.c:358: error: invalid
rtl sharing found in the insn
(insn 594 593 595 35
../../../gcc/libgfortran/generated/product_c4.c:321 (set (subreg:DI
(reg:SC 298) 0)
        (reg:DI 383)) -1 (nil))
../../../gcc/libgfortran/generated/product_c4.c:358: error: shared rtx
(subreg:DI (reg:SC 298) 0)
../../../gcc/libgfortran/generated/product_c4.c:358: internal compiler
error: internal consistency failure
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [product_c4.lo] Error 1
make[2]: *** [all] Error 2
make[1]: *** [all-target-libgfortran] Error 2
make: *** [all] Error 2
\nDone.