prettyprinter reorders comments to show before doc comments

[ben0x539]

$ echo '/** foo */ /* bar */ fn f() {}' | rustc - --pretty
/* bar */
/** foo */
fn f() { }

I'm not sure this is supposed to happen, but maybe it's prettier this way...

[steveklabnik]

Doc comments need to be right before, don't they? I'm not sure, just wondering out loud. That'd make sense...

[emberian]

Still reproduces

[metajack]

triage bump. nothing to add.

[huonw]

Still reproduces.

(@steveklabnik it's okay to have normal comments between the doc comment and the function, since they're not seen by the parser at all.)

[steveklabnik]

Triage: still here.

[mrhota]

Triage: still here in nightly (using rustup)

[steveklabnik]

Triage: no change in behavior, though the flags have changed:

> rustc +nightly -Z unstable-options --pretty=normal .\foo.rs
/* bar */
/** foo */
fn f() { }

[workingjubilee]

Closing this on the hypothesis of "if this was unintended behavior, someone would have fixed it within the past 10 years". Seems harmless, but maybe I'm wrong? 🤷‍♀️

[varkor]

@workingjubilee: seems less likely this is intended behaviour and more likely this is just low priority compared to other issues.