Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/compiler-rt/lib/ubsan/ubsan_init_standalone.cc

@@ -0,0 +1,34 @@
+//===-- ubsan_init_standalone.cc ------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Initialization of standalone UBSan runtime.
+//
+//===----------------------------------------------------------------------===//
+
+#include "ubsan_platform.h"
+#if !CAN_SANITIZE_UB
+# error "UBSan is not supported on this platform!"
+#endif
+
+#include "sanitizer_common/sanitizer_internal_defs.h"
+#include "ubsan_init.h"
+#include "ubsan_signals_standalone.h"
+
+namespace __ubsan {
+
+class UbsanStandaloneInitializer {
+ public:
+  UbsanStandaloneInitializer() {
+    InitAsStandalone();
+    InitializeDeadlySignals();
+  }
+};
+static UbsanStandaloneInitializer ubsan_standalone_initializer;
+
+} // namespace __ubsan