[ASan/Win] Intercept _msize, required for running SQLite

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@152224 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/asan/asan_malloc_win.cc b/lib/asan/asan_malloc_win.cc
index 2e8bea395..6417ce48f 100644
--- a/lib/asan/asan_malloc_win.cc
+++ b/lib/asan/asan_malloc_win.cc
@@ -48,6 +48,12 @@ void *realloc(void *ptr, size_t size) {
   GET_STACK_TRACE_HERE_FOR_MALLOC;
   return asan_realloc(ptr, size, &stack);
 }
+
+size_t _msize(void *ptr) {
+  GET_STACK_TRACE_HERE_FOR_MALLOC;
+  return asan_malloc_usable_size(ptr, &stack);
+}
+
 }  // extern "C"
 
 using __interception::GetRealFunctionAddress;