diff --git a/compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard.cpp b/compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard.cpp
index ed817961c688c..e46c2edac4cea 100644
--- a/compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard.cpp
+++ b/compiler-rt/test/sanitizer_common/TestCases/sanitizer_coverage_trace_pc_guard.cpp
@@ -2,6 +2,8 @@
 
 // REQUIRES: has_sancovcc
 // UNSUPPORTED: ubsan,i386-darwin,target={{(powerpc64|s390x|thumb).*}}
+// This test is failing for lsan on darwin on x86_64h.
+// UNSUPPORTED: x86_64h && lsan && darwin
 // XFAIL: tsan
 // XFAIL: android && asan