[Bug c/24542] potential unwanted truncation of operation overflow should be warned on assignment to wider variable

[mail+gcc at nh2 dot me via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=24542

--- Comment #15 from Niklas Hambüchen <mail+gcc at nh2 dot me> ---
Another common integer overflow bug type is the "for (u32 i = 0; i < u64; ++i)"
pattern, as well as general widening comparisons.

I filed bug 110933 for those; just linking it here for people interested in
integer overflows.