[Bug target/86832] [8/9 Regression] GCC v8.2.0 tries to use native TLS with -fstack-protector-strong on Windows (mingw-w64)

[john at johnwarburton dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86832

--- Comment #12 from John Warburton <john at johnwarburton dot net> ---
On Fri, Nov 23, 2018 at 11:26 AM John Warburton <john@johnwarburton.net> wrote:
>
> On Thu, Nov 22, 2018 at 10:09 AM jakub at gcc dot gnu.org
> <gcc-bugzilla@gcc.gnu.org> wrote:
> >
> > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86832
> >
> > --- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
> > Can somebody please test this on mingw (on the trunk)? Thanks.
>
> I've started a compilation of the trunk on GNU/Linux outputting
> x86_64-w64-mingw32-gcc etc.

This happens during the compilation of the trunk, I'm afraid:

 ../../../../src/gcc-trunk/libgfortran/generated/matmul_i4.c: In
function 'matmul_i4_avx2':
 ../../../../src/gcc-trunk/libgfortran/generated/matmul_i4.c:1210:1:
error: insn outside basic block
  1210 | }
       | ^
 (insn 10250 8120 10251 (parallel [
             (set (reg:DI 5752)
                 (plus:DI (reg/f:DI 19 frame)
                     (const_int -1200 [0xfffffffffffffb50])))
             (clobber (reg:CC 17 flags))
         ]) 191 {*adddi_1}
      (nil))
 during RTL pass: reload
 ../../../../src/gcc-trunk/libgfortran/generated/matmul_i4.c:1210:1:
internal compiler error: in rtl_verify_bb_layout, at cfgrtl.c:2987
 0x6a259f _fatal_insn(char const*, rtx_def const*, char const*, int,
char const*)
     ../../../src/gcc-trunk/gcc/rtl-error.c:108
 0x92b8f1 rtl_verify_bb_layout
     ../../../src/gcc-trunk/gcc/cfgrtl.c:2987
 0x92b8f1 rtl_verify_flow_info
     ../../../src/gcc-trunk/gcc/cfgrtl.c:3033
 0x90fb1d verify_flow_info()
     ../../../src/gcc-trunk/gcc/cfghooks.c:263
 0x14c3569 checking_verify_flow_info
     ../../../src/gcc-trunk/gcc/cfghooks.h:198
 0x14c3569 try_optimize_cfg
     ../../../src/gcc-trunk/gcc/cfgcleanup.c:2991
 0x14c3569 cleanup_cfg(int)
     ../../../src/gcc-trunk/gcc/cfgcleanup.c:3156
 0xb6c969 do_reload
     ../../../src/gcc-trunk/gcc/ira.c:5518
 0xb6c969 execute
     ../../../src/gcc-trunk/gcc/ira.c:5653
 Please submit a full bug report,
 with preprocessed source if appropriate.
 Please include the complete backtrace with any bug report.
 See <https://gcc.gnu.org/bugs/> for instructions.
 make[3]: *** [Makefile:4194: matmul_i4.lo] Error 1