diff --git a/Podfile b/Podfile
index a03402eba..c7a904233 100644
--- a/Podfile
+++ b/Podfile
@@ -90,6 +90,7 @@ def disable_optimizations_for_tests(installer)
 
     # Allow accurate step-thru debugging while in tests
     build_config.build_settings['GCC_OPTIMIZATION_LEVEL'] = '0'
+    build_config.build_settings['SWIFT_OPTIMIZATION_LEVEL'] = '-Onone'
   end
 end
 
diff --git a/Podfile.lock b/Podfile.lock
index 7e4dd9918..1bf3842c6 100644
--- a/Podfile.lock
+++ b/Podfile.lock
@@ -237,6 +237,6 @@ SPEC CHECKSUMS:
   YapDatabase: 299a32de9d350d37a9ac5b0532609d87d5d2a5de
   YYImage: 1e1b62a9997399593e4b9c4ecfbbabbf1d3f3b54
 
-PODFILE CHECKSUM: 6a1bafb7c5bedfa4e577580ff12e487cc7111f38
+PODFILE CHECKSUM: 497de356704a8d141a2dd132ab5c7fa4acffe2b6
 
 COCOAPODS: 1.5.3
diff --git a/Pods b/Pods
index 47c8a2611..8c7fd79eb 160000
--- a/Pods
+++ b/Pods
@@ -1 +1 @@
-Subproject commit 47c8a2611481201e17387b4335421f373f8c8e9b
+Subproject commit 8c7fd79eba19166ed7b3d4b09b11e11ab130e457