[Bug c/52283] "error: case label does not reduce to an integer constant" for constant folded cast expr

[manu at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52283

--- Comment #15 from Manuel López-Ibáñez <manu at gcc dot gnu.org> 2012-02-21 
09:30:11 UTC ---
Created attachment 26710
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26710
patch reverting PR26632

I am testing this. It reverts PR26632 fix and ignores recurses into NOPs at the
warning point. Do you see any potential issues?