Disallow array deref using alternative syntax

f(){0} and a::b(){0} aren't allowed anymore (in compliance with PHP).
$a->b(){0} support stays for now (for technical reason).

grammar/zend_language_parser.phpy

@@ -602,7 +602,7 @@ function_call:
     | variable_without_objects '(' argument_list ')'
           { $$ = Expr_FuncCall[$1, $3]; }
     | function_call '[' dim_offset ']'                      { $$ = Expr_ArrayDimFetch[$1, $3]; }
-    | function_call '{' expr '}'                            { $$ = Expr_ArrayDimFetch[$1, $3]; }
+      /* alternative array syntax missing intentionally */
 ;
 
 class_name:
@@ -724,6 +724,7 @@ variable:
 new_expr_array_deref:
       '(' new_expr ')' '[' dim_offset ']'                   { $$ = Expr_ArrayDimFetch[$2, $5]; }
     | new_expr_array_deref '[' dim_offset ']'               { $$ = Expr_ArrayDimFetch[$1, $3]; }
+      /* alternative array syntax missing intentionally */
 ;
 
 object_access:

test/code/expr/fetchAndCall/funcCall.test

@@ -13,7 +13,6 @@ $a{'b'}();
 
 // array dereferencing
 a()['b'];
-a(){'b'}; // this is invalid PHP. Remove?
 -----
 array(
     0: Expr_FuncCall(
@@ -99,18 +98,4 @@ array(
             value: b
         )
     )
-    8: Expr_ArrayDimFetch(
-        var: Expr_FuncCall(
-            name: Name(
-                parts: array(
-                    0: a
-                )
-            )
-            args: array(
-            )
-        )
-        dim: Scalar_String(
-            value: b
-        )
-    )
 )

test/code/expr/fetchAndCall/staticCall.test

@@ -11,7 +11,6 @@ A::$b['c']['d']();
 
 // array dereferencing
 A::b()['c'];
-A::b(){'c'}; // this is invalid PHP. Remove?
 
 // class name variations
 static::b();
@@ -108,22 +107,7 @@ array(
             value: c
         )
     )
-    6: Expr_ArrayDimFetch(
-        var: Expr_StaticCall(
-            class: Name(
-                parts: array(
-                    0: A
-                )
-            )
-            name: b
-            args: array(
-            )
-        )
-        dim: Scalar_String(
-            value: c
-        )
-    )
-    7: Expr_StaticCall(
+    6: Expr_StaticCall(
         class: Name(
             parts: array(
                 0: static
@@ -133,7 +117,7 @@ array(
         args: array(
         )
     )
-    8: Expr_StaticCall(
+    7: Expr_StaticCall(
         class: Expr_Variable(
             name: a
         )
@@ -141,7 +125,7 @@ array(
         args: array(
         )
     )
-    9: Expr_StaticCall(
+    8: Expr_StaticCall(
         class: Expr_Variable(
             name: Scalar_String(
                 value: a
@@ -151,7 +135,7 @@ array(
         args: array(
         )
     )
-    10: Expr_StaticCall(
+    9: Expr_StaticCall(
         class: Expr_ArrayDimFetch(
             var: Expr_Variable(
                 name: a