diff options
author | NAKAMURA Usaku <usa@ruby-lang.org> | 2022-03-19 22:27:18 +0900 |
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committer | NAKAMURA Usaku <usa@ruby-lang.org> | 2022-03-19 22:27:18 +0900 |
commit | 2d886af0a55a99bf3c12ec82c1b7a804bec9d395 (patch) | |
tree | 6442dca85008f877bf7c2f430e91ea9bf849d003 /numeric.c | |
parent | 81f5453bd831e6f09e660fdf7e72d3d2da8753e7 (diff) |
merge revision(s) 6a6227e0168b059c3ed34c9f0ace2e5dc2364221: [Backport #18517]
Shifting zero always results in zero [Bug #18517]
---
numeric.c | 2 ++
1 file changed, 2 insertions(+)
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -4565,6 +4565,7 @@ rb_fix_lshift(VALUE x, VALUE y) long val, width; val = NUM2LONG(x); + if (!val) return (rb_to_int(y), INT2FIX(0)); if (!FIXNUM_P(y)) return rb_big_lshift(rb_int2big(val), y); width = FIX2LONG(y); @@ -4611,6 +4612,7 @@ rb_fix_rshift(VALUE x, VALUE y) long i, val; val = FIX2LONG(x); + if (!val) return (rb_to_int(y), INT2FIX(0)); if (!FIXNUM_P(y)) return rb_big_rshift(rb_int2big(val), y); i = FIX2LONG(y); |