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Avoid MRB_INT_MIN to apply fixdivmod.

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`MRB_INT_MIN` is the only integer value that has no corresponding
positive integer value (i.e. `-MRB_INT_MIN` = `MRB_INT_MIN`).
This commit is contained in:
Yukihiro "Matz" Matsumoto
2019-07-31 00:58:12 +09:00
parent c31e1ea798
commit 96ac49b75b
1 changed files with 4 additions and 4 deletions
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src/numeric.c
+4 -4
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@@ -891,14 +891,14 @@ static mrb_value
fix_mod(mrb_state *mrb, mrb_value x)
{
mrb_value y;
mrb_int a;
mrb_int a, b;
mrb_get_args(mrb, "o", &y);
a = mrb_fixnum(x);
if (mrb_fixnum_p(y)) {
mrb_int b, mod;
if (mrb_fixnum_p(y) && a != MRB_INT_MIN && (b=mrb_fixnum(y)) != MRB_INT_MIN) {
mrb_int mod;
if ((b=mrb_fixnum(y)) == 0) {
if (b == 0) {
#ifdef MRB_WITHOUT_FLOAT
/* ZeroDivisionError */
return mrb_fixnum_value(0);