From: George Karpenkov <ekarpenkov@apple.com>
Date: Mon, 7 Aug 2017 20:56:11 +0000 (+0000)
Subject: Do not instrument libFuzzer itself when built with -DLLVM_USE_SANITIZE_COVERAGE
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=79302ff8ea636c2656f7fe34f299ca808109987f;p=llvm

Do not instrument libFuzzer itself when built with -DLLVM_USE_SANITIZE_COVERAGE

Fixes regression from https://reviews.llvm.org/D36295

Differential Revision: https://reviews.llvm.org/D36428

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@310305 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Fuzzer/CMakeLists.txt b/lib/Fuzzer/CMakeLists.txt
index ef05b153234..daff0e693bf 100644
--- a/lib/Fuzzer/CMakeLists.txt
+++ b/lib/Fuzzer/CMakeLists.txt
@@ -24,6 +24,11 @@ endif()
 set(LIBFUZZER_ENABLE ${LIBFUZZER_ENABLED_CHECK} CACHE BOOL "Build libFuzzer and its tests")
 set(LIBFUZZER_ENABLE_TESTS OFF CACHE BOOL "Build libFuzzer and its tests")
 
+if (LLVM_USE_SANITIZE_COVERAGE)
+  set(CMAKE_CXX_FLAGS
+    "${CMAKE_CXX_FLAGS} -fno-sanitize-coverage=trace-pc-guard,edge,trace-cmp,indirect-calls,8bit-counters -Werror")
+endif()
+
 if (LIBFUZZER_ENABLE)
   add_library(LLVMFuzzerNoMainObjects OBJECT
       FuzzerCrossOver.cpp