[Bug middle-end/108278] [13 Regression] runtime error with -O1 -Wall

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108278

--- Comment #3 from David Binderman <dcb314 at hotmail dot com> ---
Trying revision aeee4812442c996f in bisect.