[Sanitizer] move placement_new definiton from TSan to common runtime

llvm-svn: 158145

1 files changed, 25 insertions, 0 deletions

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_placement_new.h b/compiler-rt/lib/sanitizer_common/sanitizer_placement_new.h
new file mode 100644
index 00000000000..9f794ac0431
--- /dev/null
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_placement_new.h
@@ -0,0 +1,25 @@
+//===-- sanitizer_placement_new.h -------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is shared between AddressSanitizer and ThreadSanitizer
+// run-time libraries.
+//
+// The file provides 'placement new'.
+// Do not include it into header files, only into source files.
+//===----------------------------------------------------------------------===//
+#ifndef SANITIZER_PLACEMENT_NEW_H
+#define SANITIZER_PLACEMENT_NEW_H
+
+#include "sanitizer_internal_defs.h"
+
+inline void *operator new(__sanitizer::uptr sz, void *p) {
+  return p;
+}
+
+#endif  // SANITIZER_PLACEMENT_NEW_H