[Bug middle-end/123011] internal compiler error: in simplify_subreg, at simplify-rtx.cc:7983

[malat at debian dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123011

--- Comment #2 from Mathieu Malaterre <malat at debian dot org> ---
Created attachment 62995
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62995&action=edit
preprocessed source

% /usr/bin/c++ -save-temps   -DHWY_SHARED_DEFINE
-I"/home/malat/highway-1.3.1~git20251202.ee36c83" -g -O2
-ffile-prefix-map=/home/malat/highway-1.3.1~git20251202.ee36c83=. -flto=auto
-ffat-lto-objects -fstack-protector-strong -fstack-clash-protection -Wformat
-Werror=format-security -mbranch-protection=standard -DHWY_BROKEN_EMU128=0
-mstrict-align -march=armv8-a -Wdate-time -D_FORTIFY_SOURCE=2 -O3 -DNDEBUG
-std=c++17 -fPIE -fvisibility=hidden -fvisibility-inlines-hidden
-Wno-builtin-macro-redefined -D__DATE__=\"redacted\"
-D__TIMESTAMP__=\"redacted\" -D__TIME__=\"redacted\" -fmerge-all-constants
-Wall -Wextra -Wconversion -Wsign-conversion -Wvla -Wnon-virtual-dtor
-Wcast-align -fmath-errno -fno-exceptions -Wno-psabi -Werror -DHWY_IS_TEST=1
-DGTEST_HAS_PTHREAD=1 -MD  -o test.o -c
'/home/malat/highway-1.3.1~git20251202.ee36c83/hwy/tests/mask_mem_test.cc'