Detect overflow in `flo_shift()`.

a8cd364e · Yukihiro "Matz" Matsumoto · 9fbf0ef8 · a8cd364e
Unverified Commit a8cd364e authored Nov 17, 2020 by Yukihiro "Matz" Matsumoto
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src/numeric.c src/numeric.c +3 -1

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--- a/src/numeric.c
+++ b/src/numeric.c
@@ -610,7 +610,9 @@ flo_shift(mrb_state *mrb, mrb_value x, mrb_int width)
      val *= 2;
    }
  }
-  return mrb_int_value(mrb, (mrb_int)val);
+  if (FIXABLE_FLOAT(val))
+    return mrb_int_value(mrb, (mrb_int)val);
+  return mrb_float_value(mrb, val);
 }
 static mrb_value