On Wed, Jul 23, 2014 at 10:29 PM, Bataev, Alexey <a.bataev at hotmail.com> wrote: > Hal, > probably you should add processing of this attribute to function > mergeDeclAttribute() in SemaDecl.cpp or something like this. IIIRC, you just need to set DuplicatesAllowedWhileMerging = 1 in the attribute definition. ~Aaron