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clang-p2996/compiler-rt/test/fuzzer/three-bytes.test
Matt Morehouse 43a2296976 libFuzzer: prevent irrelevant strings from leaking into auto-dictionary
This is a fix for bug 37047.

https://bugs.llvm.org/show_bug.cgi?id=37047

Implemented by basically reversing the logic. Previously all strings
were considered, with some operations excluded. Now strings are excluded
by default, and only strings during the CB considered.

Patch By: pdknsk

Differential Revision: https://reviews.llvm.org/D48800

llvm-svn: 337296
2018-07-17 16:12:00 +00:00

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Tests -use_value_profile=2 (alternative VP metric).
RUN: %cpp_compiler %S/ThreeBytes.cpp -o %t
RUN: %run %t -seed=1 -runs=30000
RUN: %run %t -seed=1 -runs=30000 -use_value_profile=1
RUN: not %run %t -seed=1 -runs=1000000 -use_value_profile=2 2>&1 | FileCheck %s
CHECK: Test unit written