-floop-flatten and PR 52307

2012-02-26 Thread Thomas Koenig
Hello world, -floop-flatten breaks Lapack, which uses quite a common technique; see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52307 This is not a regression as far as I can determine, but the bug is severe enough that I would consider removing the option for the 4.7 release. Opinions?

Re: Proposal: Make TYPE_HASH != TYPE_UID

2012-02-26 Thread Richard Guenther
On Fri, Feb 24, 2012 at 2:48 PM, Diego Novillo wrote: > > Over in the pph branch we are having several failures due to TYPE_CANONICAL > and the canonical types table. > > Entries of the canonical types table corresponding to user-generated types > get saved on each pre-parsed header.  We then read

Re: -floop-flatten and PR 52307

2012-02-26 Thread Richard Guenther
On Sun, Feb 26, 2012 at 1:32 PM, Thomas Koenig wrote: > Hello world, > > -floop-flatten breaks Lapack, which uses quite a common technique; see > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52307 > > This is not a regression as far as I can determine, but the bug is > severe enough that I would