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--emit=ir is listed as valid choice in manual, but rustc does not accept it anymore #20111

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nagisa opened this issue Dec 21, 2014 · 1 comment · Fixed by #20129
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--emit=ir is listed as valid choice in manual, but rustc does not accept it anymore #20111

nagisa opened this issue Dec 21, 2014 · 1 comment · Fixed by #20129

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@nagisa
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nagisa commented Dec 21, 2014 

$ man rustc | grep -- --emit | head -n1
       --emit=[asm,ir,bc,obj,link]
$ rustc src/lib.rs --crate-type=rlib --emit=ir
error: unknown emission type: `ir`
$ rustc --version
rustc 0.13.0-nightly (cc19e3380 2014-12-20 20:00:36 +0000)

The ir part in the manual should be changed to llvm-ir.
@nagisa
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nagisa commented Dec 21, 2014

Most likely #19900.

@nagisa nagisa mentioned this issue Dec 22, 2014
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nagisa added a commit to nagisa/rust that referenced this issue Dec 22, 2014
@nagisa
Update man page with the new options
faa0094 
This pull request updates the rustc manual page to represent post-rust-lang#19900
state of rustc options better.

A bit unrelatedly, --help output is changed to fix some issues too:
  * -g and -O descriptions were changed from deprected flags to the new
    codegen flags.
  * dep-info value was moved from crate-type to emit flag.

Fixes rust-lang#20111
Fixes rust-lang#20131
alexcrichton added a commit to alexcrichton/rust that referenced this issue Dec 22, 2014
@alexcrichton
rollup merge of rust-lang#20129: nagisa/man-fixes
48d1bb3 
This pull request updates the rustc manual page to represent current state of rustc option handling better. Moved the apparently deprecated options (rust-lang#19900) to their own section and added all the new codegen options.

A bit unrelatedly, I also updated description of `-O` and `-g` flags to point to the new codegen options rather than old, deprecated ones.

Fixes rust-lang#20111.
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Update the manual page with new options nagisa/rust
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