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closes bpo-37446: resolve undefined behavior in Python/hamt.c (GH-17727) 

(cherry picked from commit d0c92e81aa)

Co-authored-by: Batuhan Taşkaya <47358913+isidentical@users.noreply.github.com>
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Miss Islington (bot) 2019-12-30 18:51:18 -08:00 committed by GitHub
parent ec941568bd
commit a278ae19b4
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Python/hamt.c
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@ -1864,7 +1864,7 @@ hamt_node_array_without(PyHamtNode_Array *self,
continue; continue;
} }
bitmap |= 1 << i; bitmap |= 1U << i;
if (IS_BITMAP_NODE(node)) { if (IS_BITMAP_NODE(node)) {
PyHamtNode_Bitmap *child = (PyHamtNode_Bitmap *)node; PyHamtNode_Bitmap *child = (PyHamtNode_Bitmap *)node;