https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100406 Bug 100406 depends on bug 100876, which changed state.
Bug 100876 Summary: [11 Regression] -Wmismatched-new-delete should understand placement new when it's not inlined https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100876 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED