Improve error message for failed member lookup.

test/libsolidity/syntaxTests/memberLookup/failed_function_lookup.sol

@@ -0,0 +1,7 @@
+contract C {
+  function f(uint, uint) {}
+  function f(uint) {}
+  function g() { f(1, 2, 3); }
+}
+// ----
+// TypeError: (80-81): No matching declaration found after argument-dependent lookup.

test/libsolidity/syntaxTests/memberLookup/failed_function_lookup_in_library.sol

@@ -0,0 +1,9 @@
+library L {
+  function f(uint, uint) {}
+  function f(uint) {}
+}
+contract C {
+  function g() { L.f(1, 2, 3); }
+}
+// ----
+// TypeError: (94-97): Member "f" not found or not visible after argument-dependent lookup in type(library L)

test/libsolidity/syntaxTests/memberLookup/push_on_memory_types.sol

@@ -0,0 +1,8 @@
+contract Test {
+	function f() public pure {
+        uint[] memory x;
+        x.push(1);
+	}
+}
+// ----
+// TypeError: (77-83): Member "push" is not available in uint256[] memory outside of storage.