[Bug libquadmath/71809] New: compile llvm3.8.0 failed by the libstdc++ of gcc6.1.0

[sulitsrc at 163 dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71809

            Bug ID: 71809
           Summary: compile llvm3.8.0 failed by the libstdc++ of gcc6.1.0
           Product: gcc
           Version: 6.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libquadmath
          Assignee: unassigned at gcc dot gnu.org
          Reporter: sulitsrc at 163 dot com
  Target Milestone: ---

Created attachment 38861
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38861&action=edit
compile and build log file

I compile llvm3.8.0  by libstdc++ of gcc6.1.0, and get the error, I suspect
this is a bug, but don't make sure that. The error as flow:

/usr/bin/../lib/gcc/x86_64-isoft-linux/6.1.0/../../../../include/c++/6.1.0/tuple:1381:14:
error: no matching constructor for initialization of 'tuple<llvm::LexicalScope
*&&, const llvm::DILocalScope *&&, nullptr_t &&, bool &&>'
    { return tuple<_Elements&&...>(std::forward<_Elements>(__args)...); }
             ^                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~