https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103524 Bug 103524 depends on bug 99749, which changed state.
Bug 99749 Summary: Error when using std::string in a module (versions 11.0.1 20210307, 11.0.1 20210314, and 11.0.1 20210321) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99749 What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED