test-fuzz-targets: look for clang-6.0 binary as well Debian sid is still shipped with clang 4.0 by default. This allows me to run the test without replacing the system clang to clang-6.0.

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#require test-repo

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  $ cd $TESTDIR/../contrib/fuzz

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#if clang-libfuzzer

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  $ make -s clean all

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#endif

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#if no-clang-libfuzzer clang-6.0

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  $ make -s clean all CC=clang-6.0 CXX=clang++-6.0

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#endif

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#if no-clang-libfuzzer no-clang-6.0

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  $ exit 80

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#endif

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Just run the fuzzers for five seconds each to verify it works at all.

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  $ ./bdiff -max_total_time 5

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  $ ./xdiff -max_total_time 5