diff options
| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2020-11-06 12:52:18 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2020-11-06 12:52:18 +0900 |
| commit | 8455344bf3fd92ca00f598accfe6b3eb29ddcb0c (patch) | |
| tree | e32393b64d3144c0527021759450fa119e0b24ce /src/numeric.c | |
| parent | 2a52ebcc5627cac73cfe162a48a3964d285f321b (diff) | |
| download | mruby-8455344bf3fd92ca00f598accfe6b3eb29ddcb0c.tar.gz mruby-8455344bf3fd92ca00f598accfe6b3eb29ddcb0c.zip | |
Skip too big left shift in `flo_shift()`.
Diffstat (limited to 'src/numeric.c')
| -rw-r--r-- | src/numeric.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/numeric.c b/src/numeric.c index 988342e88..fcabc6d60 100644 --- a/src/numeric.c +++ b/src/numeric.c @@ -611,6 +611,10 @@ flo_shift(mrb_state *mrb, mrb_value x, mrb_int width) return x; } val = mrb_float(x); + if (width < -MRB_INT_BIT/2) { + if (val < 0) return mrb_fixnum_value(-1); + return mrb_fixnum_value(0); + } if (width < 0) { while (width++) { val /= 2; |