[Bug tree-optimization/78586] [7 Regression] Wrong code caused by printf-return-value

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78586

--- Comment #13 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Martin Sebor from comment #11)
> 	PR tree-optimization/78586
> 	* gcc.dg/tree-ssa/builtin-sprintf-2.c: New test cases.
> 
> 
> Modified:
>     trunk/gcc/testsuite/ChangeLog
>     trunk/gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-2.c

 RNG (4,  4, 32, "%lu", (unsigned)u)

Isn't this UB?  Did you mean (unsigned long)u) ?

As for closing this PR, I have no problem with that, just remember that PR78622
doesn't cover all the issues discussed here and still unresolved.