diff --git a/src/eval.c b/src/eval.c index 1652fcb4ae..062fab0ac9 100644 --- a/src/eval.c +++ b/src/eval.c @@ -66,6 +66,12 @@ num_divide(varnumber_T n1, varnumber_T n2, int *failed) else result = VARNUM_MAX; } + else if (n1 == VARNUM_MIN && n2 == -1) + { + // specific case: trying to do VARNUM_MIN / -1 results in a positive + // number that doesn't fit in varnumber_T and causes an FPE + result = VARNUM_MAX; + } else result = n1 / n2; @@ -6023,7 +6029,7 @@ var2fpos( } /* - * Convert list in "arg" into position "psop" and optional file number "fnump". + * Convert list in "arg" into position "posp" and optional file number "fnump". * When "fnump" is NULL there is no file number, only 3 items: [lnum, col, off] * Note that the column is passed on as-is, the caller may want to decrement * it to use 1 for the first column. diff --git a/src/testdir/test_expr.vim b/src/testdir/test_expr.vim index b47896340f..e1fed369b7 100644 --- a/src/testdir/test_expr.vim +++ b/src/testdir/test_expr.vim @@ -761,6 +761,12 @@ func Test_eval_after_if() call assert_equal('b', s:val) endfunc +func Test_divide_by_zero() + " only tests that this doesn't crash, the result is not important + echo 0 / 0 + echo 0 / 0 / -1 +endfunc + " Test for command-line completion of expressions func Test_expr_completion() CheckFeature cmdline_compl diff --git a/src/version.c b/src/version.c index 0de044e3ce..b4756ca049 100644 --- a/src/version.c +++ b/src/version.c @@ -695,6 +695,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ +/**/ + 804, /**/ 803, /**/