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Subject: [Bug c++/46714] New: [trans-mem] <built-in> aliased to undefined symbol with -O1
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D46714

           Summary: [trans-mem] <built-in> aliased to undefined symbol
                    with -O1
           Product: gcc
           Version: trans-mem
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: patrick.marlier@gmail.com
                CC: rth@gcc.gnu.org, aldyh@gcc.gnu.org


Created attachment 22571
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=3D22571
testcase for this bug.

There is a strange error when there is a weak_ref.

g++ -O1 -o aliased_undef_sym.o -c -Wall -fgnu-tm aliased_undef_sym.cpp
aliased_undef_sym.cpp:13:1: error: =E2=80=98<built-in>=E2=80=99 aliased to =
undefined symbol
=E2=80=98_ZGTtN8BuildingD2Ev=E2=80=99