Turn off pipefail on msan tests to match the other sanitizers until

someone can go through and update the RUN lines appropriately for the
new pipefail behavior.

llvm-svn: 187298

compiler-rt/lib/msan/lit_tests/lit.cfg

@@ -67,6 +67,7 @@ config.environment['MSAN_SYMBOLIZER_PATH'] = config.llvm_symbolizer_path
 
 # Default test suffixes.
 config.suffixes = ['.c', '.cc', '.cpp']
+config.pipefail = False
 
 # MemorySanitizer tests are currently supported on Linux only.
 if config.host_os not in ['Linux']: