https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77433
--- Comment #5 from Manuel López-Ibáñez <manu at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #2) > This needs data flow to see if b usage cross over the clobber or not. I think the simpler case can be warned in the FE. I cannot imagine a correct use of assigning a pointer from an inner scope to a variable in the outer scope. Even if the pointer is never used, there is not reason to do that.
