PCH and exec-shield...

[David Edelsohn]

>>>>> Mike Stump writes:

Mike> Using a feature that serves no purpose other than to slow down 
Mike> compilations can reasonably be considered a bug.  By having PCH swizzle 
Mike> on load, we permit the introductions of bugs into the compiler.  This 
Mike> is bad.  This is why it hasn't been done.

	How does swizzling pointers on load only when the PCH file could
not be loaded at its original location slow down compilations and serve no
purpose?  Please make sure that you are considering the entire context of
the proposal.

David