diff --git a/llvm/utils/lit/lit/formats/googletest.py b/llvm/utils/lit/lit/formats/googletest.py
--- a/llvm/utils/lit/lit/formats/googletest.py
+++ b/llvm/utils/lit/lit/formats/googletest.py
@@ -41,7 +41,7 @@
             litConfig.warning(
                 "unable to discover google-tests in %r: %s. Process output: %s"
                 % (path, sys.exc_info()[1], exc.output))
-            raise StopIteration
+            return
 
         nested_tests = []
         for ln in output.splitlines(False):  # Don't keep newlines.