[Bug ipa/120236] wrong code at -O{s,2,3} with "-fno-tree-fre -fipa-pta" on x86_64-linux-gnu

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120236

Richard Biener <rguenth at gcc dot gnu.org> changed:

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

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
    int ***d;
    *d = &c;

this writes via uninitialized d.  With FRE we see through this with

    a = ***d;

so you get DWIM.