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

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63426
Bug 63426 depends on bug 86653, which changed state.

Bug 86653 Summary: UBSAN error: cp/parser.c:11760:19: runtime error: load of 
value 10, which is not a valid value for type 'bool'
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86653

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