[test] Update tests to include location string.

test/libsolidity/syntaxTests/specialFunctions/abidecode/abi_decode_calldata.sol

@@ -5,4 +5,4 @@ contract C {
   }
 }
 // ----
-// ParserError 2314: (121-129): Expected ',' but got 'calldata'
+// ParserError 2314: (121-129='calldata'): Expected ',' but got 'calldata'

test/libsolidity/syntaxTests/specialFunctions/abidecode/abi_decode_empty.sol

@@ -4,4 +4,4 @@ contract C {
     }
 }
 // ----
-// Warning 6133: (52-73): Statement has no effect.
+// Warning 6133: (52-73='abi.decode("abc", ())'): Statement has no effect.

test/libsolidity/syntaxTests/specialFunctions/abidecode/abi_decode_invalid_arg_count.sol

@@ -6,7 +6,7 @@ contract C {
   }
 }
 // ----
-// TypeError 5782: (46-58): This function takes two arguments, but 0 were provided.
-// TypeError 5782: (64-84): This function takes two arguments, but 1 were provided.
-// TypeError 5782: (90-122): This function takes two arguments, but 3 were provided.
-// TypeError 6444: (111-115): The second argument to "abi.decode" has to be a tuple of types.
+// TypeError 5782: (46-58='abi.decode()'): This function takes two arguments, but 0 were provided.
+// TypeError 5782: (64-84='abi.decode(msg.data)'): This function takes two arguments, but 1 were provided.
+// TypeError 5782: (90-122='abi.decode(msg.data, uint, uint)'): This function takes two arguments, but 3 were provided.
+// TypeError 6444: (111-115='uint'): The second argument to "abi.decode" has to be a tuple of types.

test/libsolidity/syntaxTests/specialFunctions/abidecode/abi_decode_invalid_arg_type.sol

@@ -4,5 +4,5 @@ contract C {
   }
 }
 // ----
-// TypeError 1956: (57-61): The first argument to "abi.decode" must be implicitly convertible to bytes memory or bytes calldata, but is of type type(uint256).
-// TypeError 6444: (63-67): The second argument to "abi.decode" has to be a tuple of types.
+// TypeError 1956: (57-61='uint'): The first argument to "abi.decode" must be implicitly convertible to bytes memory or bytes calldata, but is of type type(uint256).
+// TypeError 6444: (63-67='uint'): The second argument to "abi.decode" has to be a tuple of types.

test/libsolidity/syntaxTests/specialFunctions/abidecode/abi_decode_memory.sol

@@ -4,4 +4,4 @@ contract C {
   }
 }
 // ----
-// ParserError 2314: (71-77): Expected ',' but got 'memory'
+// ParserError 2314: (71-77='memory'): Expected ',' but got 'memory'

test/libsolidity/syntaxTests/specialFunctions/abidecode/abi_decode_nested_dynamic_array.sol

@@ -5,4 +5,4 @@ contract C {
     }
 }
 // ----
-// TypeError 9611: (92-101): Decoding type uint256[] memory[3] memory not supported.
+// TypeError 9611: (92-101='uint[][3]'): Decoding type uint256[] memory[3] memory not supported.

test/libsolidity/syntaxTests/specialFunctions/abidecode/abi_decode_nested_dynamic_array_v2.sol

@@ -6,4 +6,4 @@ contract C {
     }
 }
 // ----
-// Warning 6133: (87-118): Statement has no effect.
+// Warning 6133: (87-118='abi.decode("1234", (uint[][3]))'): Statement has no effect.

test/libsolidity/syntaxTests/specialFunctions/abidecode/abi_decode_nontuple.sol

@@ -6,6 +6,6 @@ contract C {
   }
 }
 // ----
-// TypeError 6444: (64-68): The second argument to "abi.decode" has to be a tuple of types.
-// TypeError 6444: (93-97): The second argument to "abi.decode" has to be a tuple of types.
-// TypeError 6444: (122-125): The second argument to "abi.decode" has to be a tuple of types.
+// TypeError 6444: (64-68='uint'): The second argument to "abi.decode" has to be a tuple of types.
+// TypeError 6444: (93-97='this'): The second argument to "abi.decode" has to be a tuple of types.
+// TypeError 6444: (122-125='f()'): The second argument to "abi.decode" has to be a tuple of types.

test/libsolidity/syntaxTests/specialFunctions/abidecode/abi_decode_storage.sol

@@ -5,4 +5,4 @@ contract C {
   }
 }
 // ----
-// ParserError 2314: (109-116): Expected ',' but got 'storage'
+// ParserError 2314: (109-116='storage'): Expected ',' but got 'storage'

test/libsolidity/syntaxTests/specialFunctions/abidecode/abi_decode_struct.sol

@@ -9,4 +9,4 @@ contract C {
     }
 }
 // ----
-// TypeError 9611: (118-119): Decoding type struct S memory not supported.
+// TypeError 9611: (118-119='S'): Decoding type struct S memory not supported.

test/libsolidity/syntaxTests/specialFunctions/abidecode/abi_decode_struct_v2.sol

@@ -10,4 +10,4 @@ contract C {
     }
 }
 // ----
-// Warning 6133: (113-136): Statement has no effect.
+// Warning 6133: (113-136='abi.decode("1234", (S))'): Statement has no effect.