[Bug ada/116832] code after select-then-abort in abortable part executes when outer select-then-abort completes

[liam at liampwll dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116832

--- Comment #14 from Liam Powell <liam at liampwll dot com> ---
Created attachment 63863
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63863&action=edit
fix with debug print

I have been running the attached fix on my local compiler to look for any other
code that may be impacted by the previous fix. This prints to stderr every time
the fix is triggered. If anyone else has a big projects with lots of ATCs then
testing would be useful.