Tests for denominations in array sizes

test/libsolidity/semanticTests/literals/denominations_in_array_sizes.sol

@@ -0,0 +1,25 @@
+contract C {
+    uint[2 wei] a;
+    uint[2 gwei] b;
+    uint[2 ether] c;
+    uint[2 seconds] d;
+    uint[2 minutes] e;
+    uint[2 hours] f;
+    uint[2 days] g;
+    uint[2 weeks] h;
+
+    function lengths() public returns (uint, uint, uint, uint, uint, uint, uint, uint) {
+        return (
+            a.length,
+            b.length,
+            c.length,
+            d.length,
+            e.length,
+            f.length,
+            g.length,
+            h.length
+        );
+    }
+}
+// ----
+// lengths() -> 2, 2000000000, 2000000000000000000, 2, 120, 7200, 172800, 1209600

test/libsolidity/syntaxTests/denominations/denominations_in_array_sizes.sol

@@ -0,0 +1,12 @@
+contract C {
+    uint[42 wei] a;
+    uint[42 gwei] b;
+    uint[42 ether] c;
+    uint[42 seconds] d;
+    uint[42 minutes] e;
+    uint[42 hours] f;
+    uint[42 days] g;
+    uint[42 weeks] h;
+}
+// ----
+// Warning 7325: (58-72): Type uint256[42000000000000000000] covers a large part of storage and thus makes collisions likely. Either use mappings or dynamic arrays and allow their size to be increased only in small quantities per transaction.