[Bug tree-optimization/106155] [12/13 Regression] spurious "may be used uninitialized" warning

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106155

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
This should now be fixed up to the confusion due to IVOPTs.  As said the
narrowing is problematic here :/