Enable sanitizers' libignore on FreeBSD
Differential Revision: http://reviews.llvm.org/D5205


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@217306 91177308-0d34-0410-b5e6-96231b3b80d8
Intercept sigfillset() and sigemptyset() for sanitizers needs on FreeBSD
Differential Revision: http://reviews.llvm.org/D5206


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@217307 91177308-0d34-0410-b5e6-96231b3b80d8