[clang] [Clang] fix for heterogeneous chip's host side's MaybeODRUseExprs clear (PR #121085)

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fuaq wrote:

@ahatanak 
Thank you for your commit 8fc33d71. 
For heterogeneous ai chip, if we choose host-side compilation there maybe missing for MaybeODRUseExprs's clear.
Can you help review it.

https://github.com/llvm/llvm-project/pull/121085