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Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."

Bruce Korb wrote:

Changing that presumption without multiple years of -Wall warnings
is a Really, Really, Really Bad Idea.


I am still not ready to agree that this is a RRRBI for the case
of loop invariants. We have not seen ONE imaginary example, let
alone a real example, where the optimziation of loop invariants
(by far the most important optimization in the class we are
discussing) would break existing code.

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