[llvm-branch-commits] [llvm] release/19.x: [SLP]Fix PR107036: Check if the type of the user is sizable before requesting its size. (PR #107098)

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DianQK wrote:

> Is this PR a fix for a regression or a critical issue?

Yes. It fixes a regression in f6e01b9ece1e73f6eda6e1dbff3aa72e917f4007.

> What is the risk of accepting this into the release branch?

This won't introduce a new regression for this.

> What is the risk of NOT accepting this into the release branch?

This regression comes from a real project in https://github.com/rust-lang/rust/issues/129887.

https://github.com/llvm/llvm-project/pull/107098