http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24639 Bug 24639 depends on bug 53802, which changed state.
Bug 53802 Summary: Spurious 'may be used uninitialized' related to shifts http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53802 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED