[Bug c/102661] signed integer overflow not detected in comparison since gcc-8

[lrspam at sfr dot fr via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102661

lrspam at sfr dot fr changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|9.3.0                       |8.4.0

--- Comment #1 from lrspam at sfr dot fr ---
The behavior is observed with gcc 8.4 and 9.3, and may be later.
It is not observed with gcc 7.5.