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-rw-r--r--llvm/lib/Fuzzer/FuzzerMain.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Fuzzer/FuzzerMain.cpp b/llvm/lib/Fuzzer/FuzzerMain.cpp
index 3a4b9c07254..9d4004e951d 100644
--- a/llvm/lib/Fuzzer/FuzzerMain.cpp
+++ b/llvm/lib/Fuzzer/FuzzerMain.cpp
@@ -18,7 +18,10 @@
// ASAN options:
// * don't dump the coverage to disk.
-extern "C" const char* __asan_default_options() { return "coverage_pcs=0"; }
+// * enable coverage by default.
+extern "C" const char *__asan_default_options() {
+ return "coverage_pcs=0:coverage=1";
+}
// Program arguments.
struct FlagDescription {
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