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

From: Richard Kenner
Subject: Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
Date: Tue, 02 Jan 2007 10:31:12 EST

> We do that with -fstrict-aliasing, which also changes language semantics.

Well, yes, but not quite in the same way.  Indeed it's rather hard to
describe in what way it changes the language semantics but easier to
describe the effect it has on optimization.  I think -fwrapv is the other
way around.

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