[Bug binutils/21880] Memory leak in demangle

[mudongliangabcd at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=21880

--- Comment #5 from Dongliang Mu <mudongliangabcd at gmail dot com> ---
(In reply to Dongliang Mu from comment #4)
> Hello Google AutoFuzz Team:
> 
> I tried to reproduce this bug in the docker, but when I compiled
> demangle_fuzzer.cc. It encounters one error:
> 
> $ $CXX $CXXFLAGS $LDFLAGS -I../include ../libiberty/demangle_fuzzer.cc
> libiberty.a -lFuzzer -o demangle_fuzzer
> In file included from ../libiberty/demangle_fuzzer.cc:5:
> In file included from ../include/demangle.h:32:
> ../include/libiberty.h:112:14: error: 'basename' is missing exception
> specification 'throw()'
> extern char *basename (const char *) ATTRIBUTE_RETURNS_NONNULL
> ATTRIBUTE_NONNULL(1);
>              ^
>                                      throw()
> /usr/include/string.h:601:26: note: previous declaration is here
> extern "C++" const char *basename (const char *__filename)
>                          ^
> 1 error generated.
> 
> 
> How do I fix this problem and then trigger the bug?
>

-DHAVE_DECL_BASENAME is missing.

Sorry for the noise. 
> Note, in the confguration of binutils, "--host" option is essential.
> 
> The new Dockerfile for my case is
> https://gist.github.com/mudongliang/3c14d1c4937a9aa6035957f34adfe68f

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