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Unknown -> Unsupported compression algorithm #150630

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Unknown -> Unsupported compression algorithm #150630

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@Mark-Simulacrum Mark-Simulacrum commented Jan 2, 2026

Both zstd and zlib are known compression algorithms, they just may not be supported by the backend. We shouldn't mislead users into e.g. thinking they made a typo.

cc #120953

@rustbot rustbot added A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-run-make Area: port run-make Makefiles to rmake.rs S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jan 2, 2026
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Unknown -> Unsupported compression algorithm
7dc36ad 
Both zstd and zlib are *known* compression algorithms, they just may not
be supported by the backend. We shouldn't mislead users into e.g.
thinking they made a typo.
@Mark-Simulacrum Mark-Simulacrum force-pushed the rephrase-compression-warn branch from a42131d to 7dc36ad Compare January 24, 2026 18:30
@Mark-Simulacrum Mark-Simulacrum marked this pull request as ready for review January 24, 2026 20:53
@rustbot rustbot added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Jan 24, 2026
@rustbot rustbot removed the S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. label Jan 24, 2026
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rustbot commented Jan 24, 2026

r? @davidtwco

rustbot has assigned @davidtwco.
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A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-run-make Area: port run-make Makefiles to rmake.rs S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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