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-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | bignum.c | 4 |
2 files changed, 9 insertions, 0 deletions
@@ -1,3 +1,8 @@ +Sat Oct 7 23:44:33 2006 Yukihiro Matsumoto <matz@ruby-lang.org> + + * bignum.c (rb_big_rshift): a bug in right shift of negative + bignums. [ruby-core:09020] + Sat Oct 7 23:33:02 2006 Yukihiro Matsumoto <matz@ruby-lang.org> * eval.c (formal_assign): packed post splat arguments may conflict @@ -1811,6 +1811,10 @@ rb_big_rshift(VALUE x, VALUE y) } xds = BDIGITS(x); i = RBIGNUM(x)->len; j = i - s1; + if (j == 0) { + if (RBIGNUM(x)->sign) return INT2FIX(0); + else return INT2FIX(-1); + } z = bignew(j, RBIGNUM(x)->sign); if (!RBIGNUM(x)->sign) { num = ((BDIGIT_DBL)~0) << BITSPERDIG; |