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Date: Sun, 22 Oct 2006 08:18:53 -0400 From: Robert Dewar <dewar@adacore.com>
And it would lead to surprising results, if you watch p-p and p is out of scope, it would be surprising if it did NOT lead to an error!
Strange, I'd actually expect GDB to tell me that "watch p-p" is an invalid command. Something like
Warning: attempt to watch constant expression.
I guess we have very different notions of what is reasonable in this context.
I have no idea why you would think this is invalid, i.e. what the general semantic rule is that makes this expression invalid.
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