ConstantEvaluator: respect integer type hints in arithmetic operations.

test/libsolidity/semanticTests/consteval_array_length.sol

@@ -0,0 +1,14 @@
+contract C {
+    uint constant a = 12;
+    uint constant b = 10;
+
+    function f() public pure returns (uint) {
+        uint[(a / b) * b] memory x;
+        return x.length;
+    }
+}
+// ====
+// compileViaYul: true
+// ----
+// constructor() ->
+// f() -> 10