[Bug other/60684] [4.9 Regression] cp-demangle.c:2149:13: error: ‘gnu_v3_unified_dtor’ undeclared

[danglin at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60684

--- Comment #2 from John David Anglin <danglin at gcc dot gnu.org> ---
Caused by CPPFLAGS=-I/usr/include/libiberty