diff options
Diffstat (limited to 'libguile/vm-i-scheme.c')
-rw-r--r-- | libguile/vm-i-scheme.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libguile/vm-i-scheme.c b/libguile/vm-i-scheme.c index dd2150ddc..587aa9566 100644 --- a/libguile/vm-i-scheme.c +++ b/libguile/vm-i-scheme.c @@ -1,4 +1,5 @@ -/* Copyright (C) 2001, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2009, 2010, 2011, 2012, 2013, + * 2014 Free Software Foundation, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License @@ -505,7 +506,9 @@ VM_DEFINE_FUNCTION (159, ash, "ash", 2) && ((scm_t_bits) (SCM_SRS (nn, (SCM_I_FIXNUM_BIT-1 - bits_to_shift)) + 1) <= 1)) - RETURN (SCM_I_MAKINUM (nn << bits_to_shift)); + RETURN (SCM_I_MAKINUM (nn < 0 + ? -(-nn << bits_to_shift) + : (nn << bits_to_shift))); /* fall through */ } /* fall through */ |