[ubsan] Add flag to enable recovery from checks when possible.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169114 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 9a80b1f..9b10f85 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -393,6 +393,7 @@
 
   Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name);
   Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier);
+  Opts.SanitizeRecover = Args.hasArg(OPT_fsanitize_recover);
 
   Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions);
   Opts.InstrumentForProfiling = Args.hasArg(OPT_pg);