[Bug c++/66808] New: tree check fail in symbol_table::decl_assembler_name_hash

["dcb314 at hotmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66808

            Bug ID: 66808
           Summary: tree check fail in
                    symbol_table::decl_assembler_name_hash
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

Created attachment 35932
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35932&action=edit
gzipped C++ source code

gcc trunk dated 20150707 does this

$ ../results/bin/gcc -c -O2 bug216.cc
/home/dcb/rpmbuild/BUILD/qpid-cpp-0.32/src/qpid/sys/epoll/EpollPoller.cpp:677:2:
internal compiler error: Segmentation fault
 }}
  ^
0xe6d3ff crash_signal
        ../../src/trunk/gcc/toplev.c:360
0x91fa84 tree_check(tree_node const*, char const*, int, char const*, tree_code)
        ../../src/trunk/gcc/tree.h:3113
0x91fa84 symbol_table::decl_assembler_name_hash(tree_node const*)
        ../../src/trunk/gcc/symtab.c:72
0x9265b2 symtab_node::get_for_asmname(tree_node const*)
        ../../src/trunk/gcc/symtab.c:872