[Bug other/63426] [meta-bug] Issues found with -fsanitize=undefined

[nathan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63426
Bug 63426 depends on bug 98624, which changed state.

Bug 98624 Summary: UBSAN: gcc/cp/module.cc:5895:29: runtime error: member call on null pointer of type 'struct module_state'
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98624

           What    |Removed                     |Added
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             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED