msvcr120: Fix exception object refcounting in __ExceptionPtrAssign.

Signed-off-by: Piotr Caban <piotr@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

msvcr120: Fix exception object refcounting in __ExceptionPtrAssign.
ab313dd3 · Piotr Caban · Alexandre Julliard · f9b881e3 · ab313dd3
Commit ab313dd3 authored Jul 13, 2017 by Piotr Caban Committed by Alexandre Julliard Jul 13, 2017
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cpp.c dlls/msvcrt/cpp.c +5 -0

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--- a/dlls/msvcrt/cpp.c
+++ b/dlls/msvcrt/cpp.c
@@ -1773,7 +1773,12 @@ void __cdecl __ExceptionPtrAssign(exception_ptr *ep, const exception_ptr *assign
    TRACE("(%p %p)\n", ep, assign);
    /* don't destroy object stored in ep */
+    if (ep->ref)
+        InterlockedDecrement(ep->ref);
    *ep = *assign;
+    if (ep->ref)
+        InterlockedIncrement(ep->ref);
 }
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