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-rw-r--r--src/numeric.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/numeric.c b/src/numeric.c
index 066c5e154..b0b80c523 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -1131,10 +1131,10 @@ mrb_fixnum_plus(mrb_state *mrb, mrb_value x, mrb_value y)
mrb_int a;
a = mrb_fixnum(x);
- if (a == 0) return y;
if (mrb_fixnum_p(y)) {
mrb_int b, c;
+ if (a == 0) return y;
b = mrb_fixnum(y);
c = a + b;
if (((a < 0) ^ (b < 0)) == 0 && (a < 0) != (c < 0)) {