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authorzeertzjq <zeertzjq@outlook.com>2022-10-20 22:47:46 +0800
committerGitHub <noreply@github.com>2022-10-20 22:47:46 +0800
commitba887da97708545f1174e387b4807119ad5a40f6 (patch)
treeef4220f77bdab3f8aeea641d3a031298f63dbd30 /src/nvim/eval.c
parente6917306f6d3ba99747d14bea3f0b078631c5c0e (diff)
parentd1484b58ae877f1423f37092c7bfdacedccfb455 (diff)
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Merge pull request #20748 from zeertzjq/vim-9.0.0804
vim-patch:partial:8.2.0418,9.0.0804: crash when trying to divide a number by -1
Diffstat (limited to 'src/nvim/eval.c')
-rw-r--r--src/nvim/eval.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index d9d276e8ea..245ad8d9d8 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -330,6 +330,10 @@ varnumber_T num_divide(varnumber_T n1, varnumber_T n2)
} else {
result = VARNUMBER_MAX;
}
+ } else if (n1 == VARNUMBER_MIN && n2 == -1) {
+ // specific case: trying to do VARNUMBAR_MIN / -1 results in a positive
+ // number that doesn't fit in varnumber_T and causes an FPE
+ result = VARNUMBER_MAX;
} else {
result = n1 / n2;
}