[Bug lto/56295] New: [4.8 Regression] Missed optimization with LTO

[d.g.gorbachev at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56295

             Bug #: 56295
           Summary: [4.8 Regression] Missed optimization with LTO
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: minor
          Priority: P3
         Component: lto
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: d.g.gorbachev@gmail.com


Created attachment 29422
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29422
Testcase

In this testcase, LTO generates a call to memcpy at -O3 optimization level.