Workaround for Abseil & ASan interaction

Author: ahueck

lib/runtime/RuntimeData.h

@@ -21,6 +21,7 @@
 #ifdef TYPEART_PHMAP
 #error TypeART-RT: Set ABSL and PHMAP, mutually exclusive.
 #endif
+
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wpedantic"
 #pragma GCC diagnostic ignored "-Wshadow"
@@ -49,6 +50,12 @@
 #include "safe_ptr.h"
 #endif
 
+#if defined(__has_feature)
+#if __has_feature(address_sanitizer)
+#define __SANITIZE_ADDRESS__
+#endif
+#endif
+
 #include <cstddef>  // size_t
 #include <cstdint>
 #include <vector>
@@ -88,7 +95,11 @@ struct RuntimeT {
 #ifdef TYPEART_ABSEIL
   using PointerMapBaseT = absl::btree_map<MemAddr, PointerInfo>;
   template <class K, class V>
-  using HashmapT                  = absl::flat_hash_map<K, V>;
+#ifdef __SANITIZE_ADDRESS__
+  using HashmapT = std::unordered_map<K, V>;
+#else
+  using HashmapT = absl::flat_hash_map<K, V>;
+#endif
   static constexpr char MapName[] = "absl::btree_map";
 #endif
 #if !defined(TYPEART_PHMAP) && !defined(TYPEART_ABSEIL)

test/lit.cfg

@@ -43,6 +43,7 @@ if config.asan:
   config.available_features.add('asan')
 if config.ubsan:
   config.available_features.add('ubsan')
+  # config.environment['UBSAN_OPTIONS'] = 'silence_unsigned_overflow=1'
 if config.tsan:
   config.available_features.add('tsan')
 if config.tsan or config.asan or config.ubsan: