[win][ASAN] Fix ASAN build on Windows

On Windows, even `__declspec(no_sanitize_address)` does not prevent
the `heap-use-after-free` errors when using the `/fsanitize=address`
compiler flag, so don't even try.
Fixes root-project#9445

core/base/src/TObject.cxx

@@ -117,7 +117,13 @@ bool DeleteChangesMemoryImpl()
    // can guess this is always the case and we can rely on the changes to fBits made
    // by ~TObject to detect use-after-delete error (and print a message rather than
    // stop the program with a segmentation fault)
-   if ( *o_fbits != 0x01000000 ) {
+#if defined(_MSC_VER) && defined(__SANITIZE_ADDRESS__)
+   // on Windows, even __declspec(no_sanitize_address) does not prevent catching
+   // heap-use-after-free errorswhen using the /fsanitize=address compiler flag
+   // so don't even try
+   return true;
+#endif
+    if ( *o_fbits != 0x01000000 ) {
       // operator delete tainted the memory, we can not rely on TestBit(kNotDeleted)
       return true;
    }