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Re: RFC: bug in combine
- From: Florian Weimer <fw at deneb dot enyo dot de>
- To: Dale Johannesen <dalej at apple dot com>
- Cc: gcc mailing list <gcc at gcc dot gnu dot org>
- Date: Thu, 25 Aug 2005 20:13:15 +0200
- Subject: Re: RFC: bug in combine
- References: <892d2a3b1deb45d0cb883c2df201e084@apple.com>
* Dale Johannesen:
> The test of f->b comes out as
>
> testl $1048512, 73(%eax)
>
> This is wrong, because 4 bytes starting at 73 goes outside the
> original object and can cause a page fault.
sizeof (struct Flags) is 76, so this isn't a bug, IMHO.