diff options
| -rw-r--r-- | src/numeric.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/numeric.c b/src/numeric.c index dd06d8115..ded2880ff 100644 --- a/src/numeric.c +++ b/src/numeric.c @@ -1332,10 +1332,13 @@ mrb_num_shift(mrb_state *mrb, mrb_int val, mrb_int width, mrb_int *num) } else { if ((width > NUMERIC_SHIFT_WIDTH_MAX) || - (val <= (MRB_INT_MIN >> width))) { + (val < (MRB_INT_MIN >> width))) { return FALSE; } - *num = val * ((mrb_int)1 << width); + if (width == NUMERIC_SHIFT_WIDTH_MAX) + *num = MRB_INT_MIN; + else + *num = val * ((mrb_int)1 << width); } return TRUE; } |