[PATCH] D75402: [HIP] Make sure, unused hip-pinned-shadow global var is kept within device code

[Mahesha S via Phabricator via cfe-commits]

hsmhsm added a comment.

In D75402#1901361 <https://reviews.llvm.org/D75402#1901361>, @hliao wrote:

> BTW, why that variable cannot have an initializer? Suppose that initializer is a trivial one, initializing to 0, would that cause any issue in the compilation?


Initialization makes the global extern var declaration to become a global definition. And. moreover, it is not a new change from my side, I just happen to add a comment.


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https://reviews.llvm.org/D75402