Request for (i386) testing: american fuzzy lop

Fabian Keil freebsd-listen at
Fri Nov 21 17:12:20 UTC 2014

Dimitry Andric <dim at> wrote:

> On 20 Nov 2014, at 17:51, Jan Beich <jbeich at> wrote:
> ...
> > while poudriere caught Clang i386 failing
> > 
> >  [*] Testing the CC wrapper and instrumentation output...
> >  AFL_QUIET=1 AFL_INST_RATIO=100 AFL_PATH=. ./afl-clang -O2 -pipe  -fstack-protector -fno-strict-aliasing -Wall -D_FORTIFY_SOURCE=2 -Wno-pointer-sign -DAFL_PATH=\"/prefix/afl-0.60b/lib/afl\" -DDOC_PATH=\"/prefix/afl-0.60b/share/doc/afl\" -DVERSION=\"0.60b\" -Wno-format test-instr.c -o test-instr
> >  /tmp/.afl-19244-1416499444.s: Assembler messages:
> >  /tmp/.afl-19244-1416499444.s:222: Error: unknown pseudo-op: `.cfi_sections'
> >  clang: error: assembler command failed with exit code 1 (use -v to see invocation)
> This has nothing do to with clang per se, it's GNU as outputting these messages.
> Clang just runs it, if you disable its integrated assembler.
> Is "afl-clang" a customized version?

afl-clang is a thin wrapper around clang that makes sure afl-as
(a wrapper around as) gets called.

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