1218626Sjilles# $FreeBSD: releng/11.0/bin/sh/tests/expansion/arith11.0 218626 2011-02-12 23:44:05Z jilles $ 2218626Sjilles# Try to divide the smallest integer by -1. 3218626Sjilles# On amd64 this causes SIGFPE, so make sure the shell checks. 4218626Sjilles 5218626Sjilles# Calculate the minimum possible value, assuming two's complement and 6218626Sjilles# a certain interpretation of overflow when shifting left. 7218626Sjillesminint=1 8218626Sjilleswhile [ $((minint <<= 1)) -gt 0 ]; do 9218626Sjilles : 10218626Sjillesdone 11218626Sjillesv=$( eval ': $((minint / -1))' 2>&1 >/dev/null) 12218626Sjilles[ $? -ne 0 ] && [ -n "$v" ] 13