[Bug c++/63140] wrong code generation probably due to optimization problem

[gcc at boomerangsworld dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63140

--- Comment #7 from Ralf Hoffmann <gcc at boomerangsworld dot de> ---
Created attachment 33442
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33442&action=edit
simplified example file 1

simple example containing the code piece which triggers the behavior