Re: [PATCH v3 0/2] MR10324: win32u: Fix deadlock when setting hdc_src to the window's self DC.

[Zhao Yi (＠Zhaoyi)]

- v3: Add tests for hdc_src is window's self dc when calling UpdateLayeredWindow.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/10324#note_132516