Merge pull request #4376 from ethereum/fallbackExternal

Fallback functions have to be external

test/libsolidity/syntaxTests/fallback/default_visibility.sol

@@ -3,4 +3,4 @@ contract C {
     function() {}
 }
 // ----
-// Warning: (90-103): No visibility specified. Defaulting to "public".
+// TypeError: (90-103): Fallback function must be defined as "external".

test/libsolidity/syntaxTests/inlineAssembly/storage_reference.sol

@@ -1,6 +1,6 @@
 contract C {
     uint[] x;
-    function() public { 
+    function() external { 
         uint[] storage y = x;
         assembly {
             pop(y)
@@ -8,4 +8,4 @@ contract C {
     }
 }
 // ----
-// TypeError: (117-118): You have to use the _slot or _offset suffix to access storage reference variables.
+// TypeError: (119-120): You have to use the _slot or _offset suffix to access storage reference variables.

test/libsolidity/syntaxTests/inlineAssembly/storage_reference_fine.sol

@@ -1,6 +1,6 @@
 contract C {
     uint[] x;
-    function() public { 
+    function() external { 
         uint[] storage y = x;
         assembly {
             pop(y_slot)

test/libsolidity/syntaxTests/nameAndTypeResolution/526_fallback_marked_external_v050.sol

@@ -1,4 +0,0 @@
-pragma experimental "v0.5.0";
-contract C {
-    function () external { }
-}

test/libsolidity/syntaxTests/nameAndTypeResolution/527_fallback_marked_internal.sol

@@ -2,3 +2,4 @@ contract C {
     function () internal { }
 }
 // ----
+// TypeError: (17-41): Fallback function must be defined as "external".

test/libsolidity/syntaxTests/nameAndTypeResolution/527_fallback_marked_internal_v050.sol

@@ -1,6 +0,0 @@
-pragma experimental "v0.5.0";
-contract C {
-    function () internal { }
-}
-// ----
-// TypeError: (47-71): Fallback function must be defined as "external".

test/libsolidity/syntaxTests/nameAndTypeResolution/528_fallback_marked_private.sol

@@ -2,3 +2,4 @@ contract C {
     function () private { }
 }
 // ----
+// TypeError: (17-40): Fallback function must be defined as "external".

test/libsolidity/syntaxTests/nameAndTypeResolution/528_fallback_marked_private_v050.sol

@@ -1,6 +0,0 @@
-pragma experimental "v0.5.0";
-contract C {
-    function () private { }
-}
-// ----
-// TypeError: (47-70): Fallback function must be defined as "external".

test/libsolidity/syntaxTests/nameAndTypeResolution/529_fallback_marked_public.sol

@@ -2,3 +2,4 @@ contract C {
     function () public { }
 }
 // ----
+// TypeError: (17-39): Fallback function must be defined as "external".

test/libsolidity/syntaxTests/nameAndTypeResolution/529_fallback_marked_public_v050.sol

@@ -1,6 +0,0 @@
-pragma experimental "v0.5.0";
-contract C {
-    function () public { }
-}
-// ----
-// TypeError: (47-69): Fallback function must be defined as "external".