[HWASAN] Added empty WordIsPoisoned for LSAN support.

Currently it is just an empty implementation to allow the project to link.

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D141147

diff --git a/compiler-rt/lib/hwasan/hwasan_poisoning.cpp b/compiler-rt/lib/hwasan/hwasan_poisoning.cpp
index 5aafdb1..a4e5935 100644 (file)
--- a/compiler-rt/lib/hwasan/hwasan_poisoning.cpp
+++ b/compiler-rt/lib/hwasan/hwasan_poisoning.cpp
@@ -26,3 +26,11 @@ uptr TagMemory(uptr p, uptr size, tag_t tag) {
 }
 
 }  // namespace __hwasan
+
+// --- Implementation of LSan-specific functions --- {{{1
+namespace __lsan {
+bool WordIsPoisoned(uptr addr) {
+  // Fixme: implement actual tag checking.
+  return false;
+}
+}  // namespace __lsan