[Bug c++/51060] Temporary object stack space is not re-used

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51060

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011-11-09
                 CC|                            |jason at redhat dot com,
                   |                            |matz at gcc dot gnu.org
     Ever Confirmed|0                           |1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-11-09 14:41:24 UTC ---
Confirmed.  The new death-point stuff doesn't help as the frontend does
not seem to construct scopes properly for this testcase.

;; Function void Test() (null)
;; enabled by -tree-original

<<cleanup_point <<< Unknown tree: expr_stmt
  (void) TARGET_EXPR <D.21343, <<< Unknown tree: aggr_init_expr
  4
  __comp_ctor
  D.21343
  0B >>>> >>>>>;
<<cleanup_point <<< Unknown tree: expr_stmt
  (void) TARGET_EXPR <D.21344, <<< Unknown tree: aggr_init_expr
  4
  __comp_ctor
  D.21344
  0B >>>> >>>>>;
...