Enable the makefile check on the result of find-cycles.pl. LLVM is now
cycle free and we intend to keep it that way. This patch will fail the
build if cycles are found.
llvm-svn: 29517
dependency is found. The find-cycles.pl script now exits with a return code
that equals the number of cycles found. The Makefile was changed to ignore
the status code of find-cycles.pl. This should be removed once the libraries
are free of cyclic dependencies.
llvm-svn: 29290