[Bug middle-end/63244] [4.9 regression] internal compiler error: Segmentation fault (program cc1plus)

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63244

--- Comment #5 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(gdb) bt
#0  analyze_functions () at ../../gcc/gcc/cgraphunit.c:1042
#1  0x00000000006e03f0 in finalize_compilation_unit () at
../../gcc/gcc/cgraphunit.c:2326
#2  0x0000000000594dd4 in cp_write_global_declarations () at
../../gcc/gcc/cp/decl2.c:4643
#3  0x0000000000951a4d in compile_file () at ../../gcc/gcc/toplev.c:562
#4  0x0000000000953620 in do_compile () at ../../gcc/gcc/toplev.c:1917
#5  toplev_main (argc=15, argv=0x7fffffffdfb8) at ../../gcc/gcc/toplev.c:1993
#6  0x00007ffff75fcfd0 in __libc_start_main () from /lib/libc.so.6
#7  0x000000000052cf61 in _start ()
(gdb) l
1037                  will be later needed to output debug info.  */
1038                  if (DECL_ABSTRACT_ORIGIN (decl))
1039                    {
1040                      struct cgraph_node *origin_node
1041                      = cgraph_get_node (DECL_ABSTRACT_ORIGIN (decl));
1042                      origin_node->used_as_abstract_origin = true;
1043                    }
1044                }
1045              else
1046                {