[Bug c/71501] missing warning on printf %s with a non-nul terminated string

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71501
Bug 71501 depends on bug 49905, which changed state.

Bug 49905 Summary: Better sanity checking on sprintf src & dest to produce 
warning for dodgy code ?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49905

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