--- gcc/objc/todo	2018/04/24 18:03:32	1.1
+++ gcc/objc/todo	2018/04/24 18:10:15	1.1.1.2
@@ -1,52 +1,8 @@
-Must eliminate use of stdio.h; that loses when using GNU libc.
-(It is ok to include stdio.h only when debugging,
- for the sake of DEBUG_PRINTF.)
-Can this be done?  If not, how do we make this work?
+* Make __objc_frame_... macros or builtins for more targets.
+        - will be done after 2.4
 
-Eliminate the asserts in record.h.
+* Incorporate class Nil.
+        - will talk to Michael Uhlenberg
 
-Rename the global functions in core.c to GNU-style names;
- fix object.m at same time.
-
-
-It is undesirable to use statics variables such as errorStatic in
-handleRuntimeError--as dennisg noted.  Do programs depend on error
-handling to be compatible with what it is on the NeXT?
-
-For example, would it be ok for DoesNotRecognize to return
-a method to be called, rather than a value to be returned?
-
-If that is not ok, I have other ideas, but they are harder to
-implement.
-
-
-
-Why does dennisg say that object_getIvarAddress is not thread-safe?
-
-
-
-objc_msgSend can be faster.
-1. Delete the statement  if (!theReceiver->isa).
-Instead, set the isa field of a deallocated object
-to point to a dummy class called "deallocated".
-This class should have a vector of operations
-at least as long as any class has had during this execution.
-Every element of this vector should point to `abort'.
-Don't bother to print a fancy message; that is a waste of effort.
-For something impossible, abort is *exactly* the right thing to do.
-2. Is it really necessary to call initializeClass here?
-Can't it be done in __objc_execClass, as soon as the class
-is complete?  If you can avoid doing this here, that is
-one fewer statement to execute.
-3. Get rid of objc_trace.
-4. Don't check wether getIMP returns null.
-There should never be a null in the method vector.
-If the method is not defined, store in the vector
-a fake method that will print the appropriate error.
-With these changes, all you need is this:
-  if (theReceiver)
-    return getIMP (theReceiver->isa, aSel);
-  else
-    return nilMethodIMP;
-which is something that could plausibly be open-coded in the future.
+* Write a Streams library