Fix ICE caused by storage parameters with nested mappings in libraries

test/libsolidity/syntaxTests/types/mapping/contract_storage_parameter_with_mapping.sol

@@ -0,0 +1,6 @@
+struct S { mapping(uint => uint)[2] a; }
+contract C {
+    function f(S storage s) public {}
+}
+// ----
+// TypeError 6651: (69-80): Data location must be "memory" or "calldata" for parameter in function, but "storage" was given.

test/libsolidity/syntaxTests/types/mapping/library_storage_parameter_with_mapping.sol

@@ -0,0 +1,4 @@
+struct S { mapping(uint => uint)[2] a; }
+library L {
+    function f(S storage s) public {}
+}

test/libsolidity/syntaxTests/types/mapping/library_storage_parameter_with_nested_mapping.sol

@@ -0,0 +1,5 @@
+library Test {
+    struct Nested { mapping(uint => uint)[2][] a; }
+    struct X { Nested n; }
+    function f(X storage x) public {}
+}