closes bpo-37446: resolve undefined behavior in Python/hamt.c (GH-17727)
https://github.com/python/cpython/commit/a278ae19b4daa1deb11e2a8eed38838027e... commit: a278ae19b4daa1deb11e2a8eed38838027e90ece branch: 3.8 author: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> committer: GitHub <noreply@github.com> date: 2019-12-30T18:51:18-08:00 summary: closes bpo-37446: resolve undefined behavior in Python/hamt.c (GH-17727) (cherry picked from commit d0c92e81aa2171228a23cb2bed36f7dab975257d) Co-authored-by: Batuhan Taşkaya <47358913+isidentical@users.noreply.github.com> files: M Python/hamt.c diff --git a/Python/hamt.c b/Python/hamt.c index 38412596a37b0..5efc8d7fabe8e 100644 --- a/Python/hamt.c +++ b/Python/hamt.c @@ -1864,7 +1864,7 @@ hamt_node_array_without(PyHamtNode_Array *self, continue; } - bitmap |= 1 << i; + bitmap |= 1U << i; if (IS_BITMAP_NODE(node)) { PyHamtNode_Bitmap *child = (PyHamtNode_Bitmap *)node;
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