[Bug c++/46714] New: [trans-mem] aliased to undefined symbol with -O1

[patrick.marlier at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46714

           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: unassig...@gcc.gnu.org
        ReportedBy: patrick.marl...@gmail.com
                CC: r...@gcc.gnu.org, al...@gcc.gnu.org


Created attachment 22571
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22571
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: ‘<built-in>’ aliased to undefined symbol
‘_ZGTtN8BuildingD2Ev’