Do not exclude public state variables when looking for conflicting declarations.

test/libsolidity/syntaxTests/nameAndTypeResolution/412_early_exit_on_fatal_errors.sol

@@ -8,4 +8,5 @@ contract C {
     }
 }
 // ----
+// DeclarationError: (150-179): Identifier already declared.
 // DeclarationError: (114-120): Identifier not found or not unique.

test/libsolidity/syntaxTests/scoping/function_state_variable_conflict.sol

@@ -0,0 +1,6 @@
+contract C {
+    function f(uint) public pure {}
+    uint public f = 0;
+}
+// ----
+// DeclarationError: (53-70): Identifier already declared.

test/libsolidity/syntaxTests/scoping/state_variable_function_conflict.sol

@@ -0,0 +1,6 @@
+contract C {
+    uint public f = 0;
+    function f(uint) public pure {}
+}
+// ----
+// DeclarationError: (40-71): Identifier already declared.

test/libsolidity/syntaxTests/scoping/state_variable_function_conflict_former_crash.sol

@@ -0,0 +1,14 @@
+// This used to crash with some compiler versions.
+contract SomeContract {
+
+  uint public balance = 0;
+
+  function balance(uint number) public {}
+
+  function doSomething() public {
+    balance(3);
+  }
+}
+// ----
+// DeclarationError: (106-145): Identifier already declared.
+// TypeError: (185-195): Type is not callable