Rollup of 6 pull requests - #139499

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matthiaskrgr wants to merge 13 commits into

rust-lang:masterfrom

matthiaskrgr:rollup-6yoiyl9

Commits on Apr 3, 2025

compiler: report error when trait object type param reference self
xtexx
committed
fdefffe

Commits on Apr 4, 2025

Don't construct preds w escaping bound vars in diagnostic_hir_wf_check
compiler-errors
committed
f343b9d

Commits on Apr 5, 2025

Fix trait upcasting to dyn type with no principal when there are projections
compiler-errors
committed
45afefa

Commits on Apr 7, 2025