[Bug ipa/60315] [4.8/4.9 Regression] template constructor switch optimization

[hubicka at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60315

--- Comment #14 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
The compile time hog issue is fixed now.  We still fix the predicates for
switch statement (to get pass NOP_EXPR) since it seems very common pattern. 
Richard: I suppose we can't fold away the NOP_EXPR easily earlier?