diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/numeric.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/numeric.c b/src/numeric.c index 6cceaeb9e..e64cd2d8d 100644 --- a/src/numeric.c +++ b/src/numeric.c @@ -821,7 +821,8 @@ static mrb_value lshift(mrb_state *mrb, mrb_int val, mrb_int width) { mrb_assert(width > 0); - if (width > NUMERIC_SHIFT_WIDTH_MAX) { + if ((width > NUMERIC_SHIFT_WIDTH_MAX) || + (val > (MRB_INT_MAX >> width))) { mrb_float f = (mrb_float)val; while (width--) { f *= 2; |