bug#52446: 28.0.90; Infinite loop in add_row_entry

[Po Lu]

Po Lu <luangruo@yahoo.com> writes:

> Eli Zaretskii <eliz@gnu.org> writes:
>
>> Now I'm confused: if row_table[i] is NULL for each i, then how did we
>> enter that loop?  Its condition checks for entry being non-NULL.
>
> The disassembly checks out, so that condition is not being mis-compiled.
> But that doesn't rule out the possibility of a miscompilation elsewhere.
>
> I will try to reproduce this under a memory checker, and with
> optimizations turned off.

It is a miscompilation of scrolling_window, which disappeared after
updating GCC.  Closing this bug, and thanks for the help.