[Bug tree-optimization/70868] Assigning constructed temporary of class with nontrivial constructor uses unnecessary temporary

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70868

Marc Glisse <glisse at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|c++                         |tree-optimization

--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
Comparing the optimized dumps at -O3:

  foo1 = {};

vs

  D.2289 = {};
  foo1 = D.2289;
  D.2289 ={v} {CLOBBER};

Should be doable...