rustc_codegen_ssa: fix get_rpath_relative_to_output panic when lib only contains file name
#125861
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…iaskrgr Rollup of 10 pull requests Successful merges: - rust-lang#124746 (`rustc --explain E0582` additional example) - rust-lang#125407 (Detect when user is trying to create a lending `Iterator` and give a custom explanation) - rust-lang#125505 (Add intra-doc-links to rustc_middle crate-level docs.) - rust-lang#125792 (Don't drop `Unsize` candidate in intercrate mode) - rust-lang#125819 (Various `HirTyLowerer` cleanups) - rust-lang#125861 (rustc_codegen_ssa: fix `get_rpath_relative_to_output` panic when lib only contains file name) - rust-lang#125911 (delete bootstrap build before switching to bumped rustc) - rust-lang#125921 (coverage: Carve out hole spans in a separate early pass) - rust-lang#125940 (std::unix::fs::get_path: using fcntl codepath for netbsd instead.) - rust-lang#126022 (set `has_unconstrained_ty_var` when generalizing aliases in bivariant contexts) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#125861 - name1e5s:fix/rpath_null_panic, r=michaelwoerister rustc_codegen_ssa: fix `get_rpath_relative_to_output` panic when lib only contains file name <!-- If this PR is related to an unstable feature or an otherwise tracked effort, please link to the relevant tracking issue here. If you don't know of a related tracking issue or there are none, feel free to ignore this. This PR will get automatically assigned to a reviewer. In case you would like a specific user to review your work, you can assign it to them by using r? <reviewer name> --> When compiles program with `-C rpath=yes` but with no output filename specified, or with filename ONLY, we will get an ICE for now. Fix it by treat empty `output` path in `get_rpath_relative_to_output` as current dir. Before this patch: ```bash rustc -C prefer_dynamic=yes -C rpath=yes -O h.rs # ICE, no output filename specified rustc -o hello -C prefer_dynamic=yes -C rpath=yes -O h.rs # ICE, output filename has no path rustc -o ./hello -C prefer_dynamic=yes -C rpath=yes -O h.rs # Works ``` All those examples work after the patch. Close rust-lang#119571. Close rust-lang#125785.
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When compiles program with
-C rpath=yesbut with no output filename specified, or with filename ONLY, we will get an ICE for now. Fix it by treat emptyoutputpath inget_rpath_relative_to_outputas current dir.Before this patch:
All those examples work after the patch.
Close #119571.
Close #125785.