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. Fix by checking the result of the function to avoid a possible undefined behavior. patch attached. best regards, Ranier Vilela [1] https://learn.microsoft.com/en-us/cpp/intrinsics/bitscanreverse-bitscanreverse64?view=msvc-170
0001-Avoid-undefined-behavior-with-msvc-compiler.patch
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