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authorDimitry Andric <dim@FreeBSD.org>2017-12-24 01:00:33 +0000
committerDimitry Andric <dim@FreeBSD.org>2017-12-24 01:00:33 +0000
commit46d7550315cd1db7e0cdf313e2702222751d8a24 (patch)
tree7c8ad1d503cf19120d55ce098d2f8bd1534fa721 /lib/fuzzer
parentcdf4f3055e964bb585f294cf77cb549ead82783f (diff)
downloadsrc-46d7550315cd1db7e0cdf313e2702222751d8a24.tar.gz
src-46d7550315cd1db7e0cdf313e2702222751d8a24.zip
Notes
Notes: svn path=/vendor/compiler-rt/dist/; revision=327126 svn path=/vendor/compiler-rt/compiler-rt-trunk-r321426/; revision=327156; tag=vendor/compiler-rt/compiler-rt-trunk-r321426
Diffstat (limited to 'lib/fuzzer')
-rw-r--r--lib/fuzzer/FuzzerTracePC.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/fuzzer/FuzzerTracePC.h b/lib/fuzzer/FuzzerTracePC.h
index dc65cd72091a..c3f241b905b1 100644
--- a/lib/fuzzer/FuzzerTracePC.h
+++ b/lib/fuzzer/FuzzerTracePC.h
@@ -276,6 +276,7 @@ void TracePC::CollectFeatures(Callback HandleFeature) const {
// Step function, grows similar to 8 * Log_2(A).
auto StackDepthStepFunction = [](uint32_t A) -> uint32_t {
+ if (!A) return A;
uint32_t Log2 = Log(A);
if (Log2 < 3) return A;
Log2 -= 3;