[Bug c++/45605] Missed devirtualization

[rguenther at suse dot de]

------- Comment #8 from rguenther at suse dot de  2010-09-15 19:09 -------
Subject: Re:  Missed devirtualization

On Wed, 15 Sep 2010, jamborm at gcc dot gnu dot org wrote:

> ------- Comment #7 from jamborm at gcc dot gnu dot org  2010-09-15 18:42 -------
> Well, it turns out that fold_stmt_1 is never called on that statement
> (neither with -O -finline or -O2 or -O3).  Where is it supposed to be
> called from?

We fold a stmt only if it is propagated to (by ccp, copyprop, forwprop,
dom or by inlining).


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45605