llvm-svn: 37801
Upgrade to use new Tcl exec based test harness. llvm-svn: 36062
global variables that needed to be passed in. This makes it possible to add new global variables with only a couple changes (Makefile and llvm-dg.exp) instead of touching every single dg.exp file. llvm-svn: 35918
llvm-svn: 33296