On Sat, Jul 29, 2023 at 7:37 PM Ranier Vilela <ranier...@gmail.com> wrote: > > Hi, > > The pg_leftmost_one_pos32 function with msvc compiler, > relies on Assert to guarantee the correct result. > > But msvc documentation [1] says clearly that > undefined behavior can occur.
It seems that we should have "Assert(word != 0);" at the top, which matches the other platforms anyway, so I'll add that. > Fix by checking the result of the function to avoid > a possible undefined behavior. No other platform does this, and that is by design. I'm also not particularly impressed by the unrelated cosmetic changes. -- John Naylor EDB: http://www.enterprisedb.com