Issue an error if an array of references is declared.

(More malformed program fixes.)

decl.cpp

@@ -355,6 +355,11 @@ Declarator::GetType(const Type *base, DeclSpecs *ds) const {
             Error(pos, "Arrays of \"void\" type are illegal.");
             return NULL;
         }
+        if (dynamic_cast<const ReferenceType *>(type)) {
+            Error(pos, "Arrays of references (type \"%s\") are illegal.",
+                  type->GetString().c_str());
+            return NULL;
+        }
 
         type = new ArrayType(type, arraySize);
         if (child)
@@ -472,6 +477,11 @@ Declarator::GetType(const Type *base, DeclSpecs *ds) const {
             return NULL;
         }
 
+        if (child == NULL) {
+            Assert(m->errorCount > 0);
+            return NULL;
+        }
+
         const Type *functionType = 
             new FunctionType(returnType, args, argNames, argDefaults,
                              argPos, isTask, isExported, isExternC);