Update test wrt requiring storage locations.

test/libsolidity/syntaxTests/dataLocations/variable_declaration_location_specifier_test_reference_type.sol

@@ -4,11 +4,10 @@ contract test {
     function f() public {
       uint[] storage s1 = a;
       uint[] memory s2 = new uint[](42);
-      uint[] s3 = b;
+      uint[] storage s3 = b;
       s1.push(42);
       s2[3] = 12;
       s3.push(42);
     }
 }
 // ----
-// Warning: (147-156): Variable is declared as a storage pointer. Use an explicit "storage" keyword to silence this warning.

test/libsolidity/syntaxTests/nameAndTypeResolution/232_literal_string_to_storage_pointer.sol

@@ -1,6 +1,5 @@
 contract C {
-    function f() public { string x = "abc"; }
+    function f() public { string storage x = "abc"; }
 }
 // ----
-// Warning: (39-47): Variable is declared as a storage pointer. Use an explicit "storage" keyword to silence this warning.
-// TypeError: (39-55): Type literal_string "abc" is not implicitly convertible to expected type string storage pointer.
+// TypeError: (39-63): Type literal_string "abc" is not implicitly convertible to expected type string storage pointer.

test/libsolidity/syntaxTests/nameAndTypeResolution/250_member_access_parser_ambiguity.sol

@@ -3,15 +3,14 @@ contract C {
     struct S { uint a; uint b; uint[20][20][20] c; R d; }
     S data;
     function f() public {
-        C.S x = data;
+        C.S storage x = data;
         C.S memory y;
         C.S[10] memory z;
         C.S[10];
         y.a = 2;
         x.c[1][2][3] = 9;
         x.d.y[2][2] = 3;
+        z;
     }
 }
 // ----
-// Warning: (150-155): Variable is declared as a storage pointer. Use an explicit "storage" keyword to silence this warning.
-// Warning: (194-210): Unused local variable.

test/libsolidity/syntaxTests/nameAndTypeResolution/276_invalid_types_in_inline_array.sol

@@ -1,8 +1,7 @@
 contract C {
     function f() public {
-        uint[3] x = [45, 'foo', true];
+        uint[3] memory x = [45, 'foo', true];
     }
 }
 // ----
-// Warning: (47-56): Variable is declared as a storage pointer. Use an explicit "storage" keyword to silence this warning.
-// TypeError: (59-76): Unable to deduce common type for array elements.
+// TypeError: (66-83): Unable to deduce common type for array elements.

test/libsolidity/syntaxTests/nameAndTypeResolution/471_unspecified_storage_fail.sol

@@ -0,0 +1,13 @@
+contract C {
+    struct S { uint a; }
+    S m_x;
+    uint[] m_y;
+    function f() view public {
+        S x = m_x;
+        uint[] y = m_y;
+        x; y;
+    }
+}
+// ----
+// TypeError: (104-107): Data location must be specified as either "memory" or "storage".
+// TypeError: (123-131): Data location must be specified as either "memory" or "storage".

test/libsolidity/syntaxTests/nameAndTypeResolution/471_unspecified_storage_warn.sol

@@ -1,10 +0,0 @@
-contract C {
-    struct S { uint a; }
-    S x;
-    function f() view public {
-        S y = x;
-        y;
-    }
-}
-// ----
-// Warning: (86-89): Variable is declared as a storage pointer. Use an explicit "storage" keyword to silence this warning.

test/libsolidity/syntaxTests/nameAndTypeResolution/472_unspecified_storage_v050.sol

@@ -1,11 +0,0 @@
-pragma experimental "v0.5.0";
-contract C {
-    struct S { uint a; }
-    S x;
-    function f() view public {
-        S y = x;
-        y;
-    }
-}
-// ----
-// TypeError: (116-119): Data location must be specified as either "memory" or "storage".

test/libsolidity/syntaxTests/nameAndTypeResolution/481_explicit_literal_to_unspecified_string_assignment.sol

@@ -1,8 +1,7 @@
 contract C {
     function f() pure public {
-        string x = "abc";
+        string storage x = "abc";
     }
 }
 // ----
-// Warning: (52-60): Variable is declared as a storage pointer. Use an explicit "storage" keyword to silence this warning.
-// TypeError: (52-68): Type literal_string "abc" is not implicitly convertible to expected type string storage pointer.
+// TypeError: (52-76): Type literal_string "abc" is not implicitly convertible to expected type string storage pointer.

test/libsolidity/syntaxTests/parsing/arrays_in_expressions.sol

@@ -1,8 +1,6 @@
 contract c {
-    function f() public { c[10] a = 7; uint8[10 * 2] x; }
+    function f() public { c[10] storage a = 7; uint8[10 * 2] storage x; }
 }
 // ----
-// Warning: (39-46): Variable is declared as a storage pointer. Use an explicit "storage" keyword to silence this warning.
-// Warning: (52-67): Variable is declared as a storage pointer. Use an explicit "storage" keyword to silence this warning.
-// TypeError: (39-50): Type int_const 7 is not implicitly convertible to expected type contract c[10] storage pointer.
-// DeclarationError: (52-67): Uninitialized storage pointer. Did you mean '<type> memory x'?
+// TypeError: (39-58): Type int_const 7 is not implicitly convertible to expected type contract c[10] storage pointer.
+// DeclarationError: (60-83): Uninitialized storage pointer.