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Rollup merge of #124712 - Enselic:deprecate-inline-threshold, r=pnkfelix

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Deprecate no-op codegen option `-Cinline-threshold=...`

This deprecates `-Cinline-threshold` since using it has no effect. This has been the case since the new LLVM pass manager started being used, more than 2 years ago.

Recommend using `-Cllvm-args=--inline-threshold=...` instead.

Closes #89742 which is E-help-wanted.
This commit is contained in:
Michael Goulet 2024-06-24 15:51:00 -04:00 • committed by GitHub
commit faa28be2f1
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8 changed files with 16 additions and 21 deletions
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6
compiler/rustc_driver_impl/src/lib.rs
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@ -1133,7 +1133,11 @@ pub fn describe_flag_categories(early_dcx: &EarlyDiagCtxt, matches: &Matches) ->
}
if cg_flags.iter().any(|x| *x == "no-stack-check") {
early_dcx.early_warn("the --no-stack-check flag is deprecated and does nothing");
early_dcx.early_warn("the `-Cno-stack-check` flag is deprecated and does nothing");
}
if cg_flags.iter().any(|x| x.starts_with("inline-threshold")) {
early_dcx.early_warn("the `-Cinline-threshold` flag is deprecated and does nothing (consider using `-Cllvm-args=--inline-threshold=...`)");
}
if cg_flags.iter().any(|x| *x == "passes=list") {