[Bug c++/49311] Missing static const symbol with -O0

[hartmut.schirmer at arcormail dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49311

--- Comment #1 from Hartmut Schirmer <hartmut.schirmer at arcormail dot de> 2011-06-07 14:11:17 UTC ---
Created attachment 24458
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24458
Small test case

Note bar() doesn't fail

Simple changes like 
   return direction==0 ? A::PEN+0 : A::NEN+0;
or
   return direction==0 ? (unsigned)A::PEN : (unsigned)A::NEN;

cause the problem to go away