[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 82491, which changed state.

Bug 82491 Summary: UBSAN in gcc/gimple-fold.c:6187:6: runtime error: signed integer overflow: 9223372036854775807 * 8 cannot be represented in type 'long int'
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82491

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