Add missing newline to error message of the default OOM hook #78897
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Currently the default OOM hook in libstd does not end the error message with a newline:
https://play.rust-lang.org/?version=nightly&mode=debug&edition=2018&gist=030d8223eb57dfe47ef157709aa26542
This is because the
fmt::Arguments
passed todumb_print()
does not end with a newline. All other calls todumb_print()
in libstd pass a\n
-endedfmt::Arguments
todumb_print()
. For example:rust/library/std/src/sys_common/util.rs
Line 18 in 25f6938
I think the
\n
was forgotten in #51264.This PR appends
\n
to the error string.Note that I didn't add a test, because I didn't find tests for functions inEdit: CI told me there is an existing test. Sorry.library/std/src/alloc.rs
or a test that is similar to the test of this change would be.