msvc: add a compile-time flag to allow detailed heap debugging

diff --git a/compat/mingw.c b/compat/mingw.c
index c063ae62be125f33418684039bd3fbc21433b83b..667285887a0c536f4b33fcb8cfa7451f23936b69 100644 (file)
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -2411,6 +2411,12 @@ int wmain(int argc, const wchar_t **wargv)
 
        trace2_initialize_clock();
 
+#ifdef _MSC_VER
+#ifdef USE_MSVC_CRTDBG
+       _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
+#endif
+#endif
+
        maybe_redirect_std_handles();
 
        /* determine size of argv and environ conversion buffer */