GVN: Only propagate borrows from SSA locals#150485

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dianqk wants to merge 3 commits intorust-lang:mainfrom

dianqk:gvn-ssa-borrow

Commits on Jan 17, 2026

Commits on Jan 20, 2026

GVN: Do not introduce new dereferences or unify dereferences if they borrow from non-SSA locals
dianqk
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