[Bug tree-optimization/106909] [13 Regression] error: control flow in the middle of basic block

[dcb314 at hotmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106909

--- Comment #2 from David Binderman <dcb314 at hotmail dot com> ---
Created attachment 53566
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53566&action=edit
C++ source code

After an hour of reduction, this is what remains.