Allow for reparsing failure when reparsing a pasted metavar. #139464
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…5, r=<try> Allow for reparsing failure when reparsing a pasted metavar. Allow for reparsing failure when reparsing a pasted metavar. Fixes rust-lang#139445. The additional errors aren't great but the first one is still good and it's the most important, and imperfect errors are better than ICEing. r? `@petrochenkov`
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This can happen when invalid syntax is passed to a declarative macro. We shouldn't be too strict about the token stream position once the parser has rejected the invalid syntax. Fixes rust-lang#139248.
Fixes rust-lang#139445. The additional errors aren't great but the first one is still good and it's the most important, and imperfect errors are better than ICEing.
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Rollup of 10 pull requests Successful merges: - rust-lang#138676 (Implement overflow for infinite implied lifetime bounds) - rust-lang#139024 (Make error message for missing fields with `..` and without `..` more consistent) - rust-lang#139098 (Tell LLVM about impossible niche tags) - rust-lang#139124 (compiler: report error when trait object type param reference self) - rust-lang#139321 (Update to new rinja version (askama)) - rust-lang#139346 (Don't construct preds w escaping bound vars in `diagnostic_hir_wf_check`) - rust-lang#139386 (make it possible to use stage0 libtest on compiletest) - rust-lang#139421 (Fix trait upcasting to dyn type with no principal when there are projections) - rust-lang#139464 (Allow for reparsing failure when reparsing a pasted metavar.) - rust-lang#139490 (Update some comment/docs related to "extern intrinsic" removal) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#139464 - nnethercote:fix-139248-AND-fix-139445, r=petrochenkov Allow for reparsing failure when reparsing a pasted metavar. Fix some metavar reparsing issues. Fixes rust-lang#139248 and rust-lang#139445. r? `@petrochenkov`
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Fix some metavar reparsing issues.
Fixes #139248 and #139445.
r? @petrochenkov