[Bug tree-optimization/36602] memset should be optimized into an empty CONSTRUCTOR

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36602

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

           What    |Removed                     |Added
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  Attachment #27563|0                           |1
        is obsolete|                            |

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 44963
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44963&action=edit
updated patch

Updated patch.  There are the expected missing warnings plus the two missed
optimizations noted by the bugs this now depends on.