Fix ICE when use trees have multiple empty nested groups #47705
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Fix ICE when use trees have multiple empty nested groups
The issue was caused by an oversight of mine in the original use_nested_groups PR, where different paths were resolved with the same `NodeId` in some cases (such as in `use {{}, {}};`).
Fixes rust-lang#47673
r? @petrochenkov
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The issue was caused by an oversight of mine in the original use_nested_groups PR, where different paths were resolved with the same
NodeIdin some cases (such as inuse {{}, {}};).Fixes #47673
r? @petrochenkov