[Bug c++/110404] Feature request: add a new option which is like -ftrivial-auto-var-init=zero but zero-initialize instead of zero-fill

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110404

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2023-06-26
                 CC|                            |rguenth at gcc dot gnu.org
             Status|UNCONFIRMED                 |WAITING

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
But your testcase is invoking undefined behavior when inspecting 'ptr'?  That
doesn't change with -ftrivial-auto-var-init=zero, so getting a trap is good
here and you need to fix your code instead.