[Bug middle-end/28831] [4.6/4.7/4.8 Regression] Aggregate copy not elided when using a return value as a pass-by-value parameter

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28831

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hjl.tools at gmail dot com,
                   |                            |ubizjak at gmail dot com

--- Comment #19 from H.J. Lu <hjl.tools at gmail dot com> 2012-08-18 15:32:41 UTC ---
With GCC 3.4, -march=i686 will allocate stack and copy f() return
to g().  With newer GCC, the same thing also happens with -march=i386.