1 files changed, 52 insertions, 0 deletions
diff --git a/tests/arith6.sub b/tests/arith6.sub
new file mode 100644
index 0000000..630e917
--- /dev/null
+++ b/tests/arith6.sub
@@ -0,0 +1,52 @@
+function reorder
+{
+	(( x[1] < x && (x=x[1], x[1]=$x) ))
+	echo "${x[@]}"
+}
+
+x=(123 456)
+reorder
+x=(456 123)
+reorder
+
+unset x
+unset -f reorder
+
+function reorder
+{
+	(( x[1] < x[0] && (x=x[1], x[1]=$x) ))
+	echo "${x[@]}"
+}
+
+x=(123 456)
+reorder
+x=(456 123)
+reorder
+
+unset x
+unset -f reorder
+
+function reorder
+{
+	(( x[1] < x[0] && (x[0]=x[1], x[1]=$x) ))
+	echo "${x[@]}"
+}
+
+x=(123 456)
+reorder
+x=(456 123)
+reorder
+
+unset -f reorder
+
+n=0 ; (( (a[n]=++n)<7&&a[0])); echo "${a[@]:1}"
+
+n=0 a="(a[n]=++n)<7&&a[0]"; ((a[0])); echo "${a[@]:1}"
+
+n=0 a="(a[n]=n++)<7&&a"; ((a)); echo "${a[@]:1}"
+
+# bugs with lvalue caching and pointer aliasing through bash-4.2
+echo $(( a=(y[0] + y[1]) & 0xff, b=(y[2] + y[3]) & 0xff, a << 8 | b))
+echo $a, $b
+((a = y[0], b = 1 ))
+echo $a, $b