Matt Morehouse 034126e507 [SanitizeCoverage] Enable stack-depth coverage for -fsanitize=fuzzer ...

Summary:
- Don't sanitize __sancov_lowest_stack.
- Don't instrument leaf functions.
- Add CoverageStackDepth to Fuzzer and FuzzerNoLink.
- Only enable on Linux.

Reviewers: vitalybuka, kcc, george.karpenkov

Reviewed By: kcc

Subscribers: kubamracek, cfe-commits, llvm-commits, hiraditya

Differential Revision: https://reviews.llvm.org/D37156

llvm-svn: 312185

2017-08-30 22:49:31 +00:00

1.5 KiB

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