undname prints them, and the information is in the decorated name, so we probably shouldn't lose it when undecorating.
I spot-checked a few of the funnier-looking outputs, and undname has the same output.
Differential Revision: https://reviews.llvm.org/D54396
llvm-svn: 346791
We were only printing the vtordisp thunk before as the previous
patch was more aimed at getting special operators working, one
of which was a thunk. This patch gets all thunk types to print
properly, and adds a test for each one.
llvm-svn: 340088