https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124524

--- Comment #4 from David Binderman <dcb314 at hotmail dot com> ---

Sorry, I should have mentioned this:

foundBugs $ ../results.20260310.ubsan/bin/gcc -v
Using built-in specs.
COLLECT_GCC=../results.20260310.ubsan/bin/gcc
COLLECT_LTO_WRAPPER=/home/dcb42/gcc/results.20260310.ubsan/libexec/gcc/x86_64-pc-linux-gnu/16.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../trunk/configure
--prefix=/home/dcb42/gcc/results.20260310.ubsan --disable-bootstrap
--disable-doc --disable-multilib --with-build-config=bootstrap-ubsan
--with-pkgversion=02926c0abb71e211 --enable-checking=yes
--enable-languages=c,c++,fortran
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 16.0.1 20260310 (experimental) (02926c0abb71e211) 
foundBugs $ 

-fchecking=yes probably makes a difference. In the compiler
crash, I see:

during RTL pass: outof_cfglayout
bug1188.c:48:1: internal compiler error: verify_flow_info failed

Reply via email to