Added allocator test

tests/programs/allocator.q

@@ -0,0 +1,35 @@
+import mem
+
+main() {
+	mgr := new(Allocator)
+	mgr.block = mem.alloc(2 * 1024 * 1024)
+	mgr.current = 0
+
+	a := new(Point)
+	a = mgr.block + mgr.current
+	mgr.current += 16
+
+	b := new(Point)
+	b = mgr.block + mgr.current
+	mgr.current += 16
+
+	a.x = 1
+	a.y = 2
+	b.x = 3
+	b.y = 4
+
+	assert a.x == 1
+	assert a.y == 2
+	assert b.x == 3
+	assert b.y == 4
+}
+
+struct Allocator {
+	block *any
+	current int
+}
+
+struct Point {
+	x int
+	y int
+}

tests/programs_test.go

@@ -70,6 +70,7 @@ var programs = []struct {
 	{"index-dynamic", 0},
 	{"struct", 0},
 	{"struct-lifetime", 0},
+	{"allocator", 0},
 	{"len", 0},
 	{"cast", 0},
 	{"function-pointer", 0},