[Bug tree-optimization/88835] overly aggressive -Werror=format-overflow for printf since r265648

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88835
Bug 88835 depends on bug 88993, which changed state.

Bug 88993 Summary: [9 Regression] GCC 9 -Wformat-overflow=2 should reflect real libc limits
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88993

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