On Wed, Feb 17, 2016 at 11:14:29AM -0600, Michael Catanzaro wrote:
> El mié, 17-02-2016 a las 17:53 +0100, Jakub Jelinek escribió:
> > That is wrong. Even older gcc versions would just optimize away the
> > assertion.
>
> Even in -O0 builds?
Probably not, though the warning will be at -O0 too.
> We've been hesitantly removing ASSERT(this) statements from WebKit to
ASSERT(this) is pointless, it is testing if undefined behavior didn't happen
after the fact, that is just too late. As I said, use -fsanitize=undefined
to make sure you don't call methods on nullptr.
Jakub
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