Merge pull request #9024 from ethereum/namableTypes

Disallow non-namable types for inline arrays.

test/libsolidity/syntaxTests/inline_arrays/unnamed_types_in_inline_array_1.sol

@@ -0,0 +1,7 @@
+contract C {
+    function f() public {
+        [msg];
+    }
+}
+// ----
+// TypeError: (47-52): Unable to deduce nameable type for array elements. Try adding explicit type conversion for the first element.

test/libsolidity/syntaxTests/inline_arrays/unnamed_types_in_inline_array_2.sol

@@ -0,0 +1,7 @@
+contract C {
+    function f() public {
+        [type(C)];
+    }
+}
+// ----
+// TypeError: (47-56): Unable to deduce nameable type for array elements. Try adding explicit type conversion for the first element.