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-rw-r--r--generic/tclHAMT.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/generic/tclHAMT.c b/generic/tclHAMT.c
index 27b5176..2bed26d 100644
--- a/generic/tclHAMT.c
+++ b/generic/tclHAMT.c
@@ -494,7 +494,7 @@ ArrayMap AMNewBranch(
assert ( idx1 != idx2 );
new->claim = 0;
- new->mask = (1 << (depth * branchShift)) - 1;
+ new->mask = ((size_t)1 << (depth * branchShift)) - 1;
new->id = hash & new->mask;
assert ( (sub->id & new->mask) == new->id );
@@ -556,7 +556,7 @@ ArrayMap AMNewLeaf(
assert ( idx1 != idx2 );
new->claim = 0;
- new->mask = (1 << (depth * branchShift)) - 1;
+ new->mask = ((size_t)1 << (depth * branchShift)) - 1;
new->id = hash1 & new->mask;
assert ( (hash2 & new->mask) == new->id );