Move /src/test to /tests

tests/ui/array-slice-vec/huge-largest-array.rs

@@ -0,0 +1,14 @@
+// run-pass
+
+
+use std::mem::size_of;
+
+#[cfg(target_pointer_width = "32")]
+pub fn main() {
+    assert_eq!(size_of::<[u8; (1 << 31) - 1]>(), (1 << 31) - 1);
+}
+
+#[cfg(target_pointer_width = "64")]
+pub fn main() {
+    assert_eq!(size_of::<[u8; (1 << 47) - 1]>(), (1 << 47) - 1);
+}