[Bug target/90458] [10/11/12/13 Regression] mingw64: ICE in i386_pe_seh_unwind_emit, at config/i386/winnt.c:1258 with -fstack-clash-protection

[ebotcazou at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90458

Eric Botcazou  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
   Target Milestone|10.5|11.4
 Resolution|--- |FIXED

--- Comment #12 from Eric Botcazou  ---
Fixed on mainline, 12 and 11 branches.

[Bug target/90458] [10/11/12/13 Regression] mingw64: ICE in i386_pe_seh_unwind_emit, at config/i386/winnt.c:1258 with -fstack-clash-protection

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90458

--- Comment #11 from CVS Commits  ---
The releases/gcc-11 branch has been updated by Eric Botcazou
:

https://gcc.gnu.org/g:20c12f40f9b10eb290fcfe4d02f3367842be573a

commit r11-10527-g20c12f40f9b10eb290fcfe4d02f3367842be573a
Author: Eric Botcazou 
Date:   Wed Feb 15 23:32:12 2023 +0100

Fix PR target/90458

This is the incompatibility of -fstack-clash-protection with Windows SEH.
Now the Windows ports always enable TARGET_STACK_PROBE, which means that
the stack is always probed (out of line) so -fstack-clash-protection does
nothing more.

gcc/
PR target/90458
* config/i386/i386.c (ix86_compute_frame_layout): Disable the
effects of -fstack-clash-protection for TARGET_STACK_PROBE.
(ix86_expand_prologue): Likewise.

[Bug target/90458] [10/11/12/13 Regression] mingw64: ICE in i386_pe_seh_unwind_emit, at config/i386/winnt.c:1258 with -fstack-clash-protection

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90458

--- Comment #10 from CVS Commits  ---
The releases/gcc-12 branch has been updated by Eric Botcazou
:

https://gcc.gnu.org/g:25b80834e2ce6725e676ef33fbf0d009b3173955

commit r12-9177-g25b80834e2ce6725e676ef33fbf0d009b3173955
Author: Eric Botcazou 
Date:   Wed Feb 15 23:32:12 2023 +0100

Fix PR target/90458

This is the incompatibility of -fstack-clash-protection with Windows SEH.
Now the Windows ports always enable TARGET_STACK_PROBE, which means that
the stack is always probed (out of line) so -fstack-clash-protection does
nothing more.

gcc/
PR target/90458
* config/i386/i386.cc (ix86_compute_frame_layout): Disable the
effects of -fstack-clash-protection for TARGET_STACK_PROBE.
(ix86_expand_prologue): Likewise.

[Bug target/90458] [10/11/12/13 Regression] mingw64: ICE in i386_pe_seh_unwind_emit, at config/i386/winnt.c:1258 with -fstack-clash-protection

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90458

--- Comment #9 from CVS Commits  ---
The master branch has been updated by Eric Botcazou :

https://gcc.gnu.org/g:a5dd99f7ef4fa5f9542851431bdd149a22b87fd2

commit r13-6069-ga5dd99f7ef4fa5f9542851431bdd149a22b87fd2
Author: Eric Botcazou 
Date:   Wed Feb 15 23:32:12 2023 +0100

Fix PR target/90458

This is the incompatibility of -fstack-clash-protection with Windows SEH.
Now the Windows ports always enable TARGET_STACK_PROBE, which means that
the stack is always probed (out of line) so -fstack-clash-protection does
nothing more.

gcc/
PR target/90458
* config/i386/i386.cc (ix86_compute_frame_layout): Disable the
effects of -fstack-clash-protection for TARGET_STACK_PROBE.
(ix86_expand_prologue): Likewise.

[Bug target/90458] [10/11/12/13 Regression] mingw64: ICE in i386_pe_seh_unwind_emit, at config/i386/winnt.c:1258 with -fstack-clash-protection

[nightstrike at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90458

--- Comment #8 from nightstrike  ---
FYI, this is the same as the failure in gcc/testsuite/gcc.dg/stack-check-16.c:

(running this under Wine)

during RTL pass: final
gcc.dg/stack-check-16.c:36:1: internal compiler error: in
i386_pe_seh_unwind_emit, at config/i386/winnt.cc:1274^M
0x86f42f i386_pe_seh_unwind_emit(_IO_FILE*, rtx_insn*)^M
../../gcc/config/i386/winnt.cc:1274^M
0xbd4d87 final_scan_insn_1^M
../../gcc/final.cc:2851^M
0xbd515b final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)^M
../../gcc/final.cc:2887^M
0xbd5347 final_1^M
../../gcc/final.cc:1979^M
0xbd5e36 rest_of_handle_final^M
../../gcc/final.cc:4240^M
0xbd5e36 execute^M
../../gcc/final.cc:4318^M
Please submit a full bug report, with preprocessed source (by using
-freport-bug).^M
Please include the complete backtrace with any bug report.^M
See  for instructions.^M
compiler exited with status 1

[Bug target/90458] [10/11/12/13 Regression] mingw64: ICE in i386_pe_seh_unwind_emit, at config/i386/winnt.c:1258 with -fstack-clash-protection

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90458

Andrew Pinski  changed:

   What|Removed |Added

 CC||lh_mouse at 126 dot com

--- Comment #7 from Andrew Pinski  ---
*** Bug 108673 has been marked as a duplicate of this bug. ***

[Bug target/90458] [10/11/12/13 Regression] mingw64: ICE in i386_pe_seh_unwind_emit, at config/i386/winnt.c:1258 with -fstack-clash-protection

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90458

Richard Biener  changed:

   What|Removed |Added

   Target Milestone|--- |10.5