Dozens of “profiling:invalid arc tag” when running code coverage in Xcode 5

Question

When running my Test target with code coverage enabled in Xcode 5, I get dozens of the following message in the build output:

profiling:invalid arc tag (0x..         


        

Answer 1

To resolve the issue of getting "cannot merge previous GCDA file: corrupt arc tag" messages in console, avoid generating ObjectiveC.gcda file, by making “Enable Modules (C and Objective-C)" setting to "NO", in the target settings.