[test] Update tests to include location string.

test/libsolidity/syntaxTests/structs/recursion/recursive_struct_as_contract_function_parameter.sol

@@ -9,4 +9,4 @@ contract Test {
     function f(MyStructName memory s) public {}
 }
 // ----
-// TypeError 4103: (147-168): Recursive type not allowed for public or external contract functions.
+// TypeError 4103: (147-168='MyStructName memory s'): Recursive type not allowed for public or external contract functions.

test/libsolidity/syntaxTests/structs/recursion/recursive_struct_as_memory_library_function_parameter.sol

@@ -10,4 +10,4 @@ library Test {
     }
 }
 // ----
-// TypeError 4103: (146-168): Recursive structs can only be passed as storage pointers to libraries, not as memory objects to contract functions.
+// TypeError 4103: (146-168='MyStructName memory _x'): Recursive structs can only be passed as storage pointers to libraries, not as memory objects to contract functions.

test/libsolidity/syntaxTests/structs/recursion/recursive_struct_forward_reference.sol

@@ -7,4 +7,4 @@ contract Data {
     struct S { S[] x; }
 }
 // ----
-// TypeError 4103: (63-78): Recursive type not allowed for public or external contract functions.
+// TypeError 4103: (63-78='Data.S memory a'): Recursive type not allowed for public or external contract functions.

test/libsolidity/syntaxTests/structs/recursion/recursive_struct_nested_mapping_memory.sol

@@ -6,4 +6,4 @@ library a {
     function d(b memory) public {}
 }
 // ----
-// TypeError 4103: (149-157): Recursive structs can only be passed as storage pointers to libraries, not as memory objects to contract functions.
+// TypeError 4103: (149-157='b memory'): Recursive structs can only be passed as storage pointers to libraries, not as memory objects to contract functions.

test/libsolidity/syntaxTests/structs/recursion/recursive_struct_with_internal_function_as_library_function_parameter.sol

@@ -8,4 +8,4 @@ library Test {
     function f(MyStructName storage s) public {}
 }
 // ----
-// TypeError 4103: (142-164): Internal type is not allowed for public or external functions.
+// TypeError 4103: (142-164='MyStructName storage s'): Internal type is not allowed for public or external functions.

test/libsolidity/syntaxTests/structs/recursion/return_recursive_structs.sol

@@ -6,4 +6,4 @@ contract C {
     }
 }
 // ----
-// TypeError 4103: (126-134): Recursive type not allowed for public or external contract functions.
+// TypeError 4103: (126-134='S memory'): Recursive type not allowed for public or external contract functions.

test/libsolidity/syntaxTests/structs/recursion/return_recursive_structs2.sol

@@ -6,4 +6,4 @@ contract C {
     }
 }
 // ----
-// TypeError 4103: (129-137): Recursive type not allowed for public or external contract functions.
+// TypeError 4103: (129-137='S memory'): Recursive type not allowed for public or external contract functions.

test/libsolidity/syntaxTests/structs/recursion/return_recursive_structs3.sol

@@ -7,4 +7,4 @@ contract C {
     }
 }
 // ----
-// TypeError 4103: (154-164): Recursive type not allowed for public or external contract functions.
+// TypeError 4103: (154-164='T memory t'): Recursive type not allowed for public or external contract functions.