Add missing newline to error message of the default OOM hook #78897
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…as-schievink Rollup of 14 pull requests Successful merges: - rust-lang#76765 (Make it more clear what an about async fn's returns when referring to what it returns) - rust-lang#78574 (Use check-pass instead of build-pass in regions ui test suite) - rust-lang#78669 (Use check-pass instead of build-pass in some consts ui test suits) - rust-lang#78847 (Assert that a return place is not used for indexing during integration) - rust-lang#78854 (Workaround for "could not fully normalize" ICE ) - rust-lang#78875 (rustc_target: Further cleanup use of target options) - rust-lang#78887 (Add comments to explain memory usage optimization) - rust-lang#78890 (comment attribution fix) - rust-lang#78896 (Clarified description of write! macro) - rust-lang#78897 (Add missing newline to error message of the default OOM hook) - rust-lang#78898 (add regression test for rust-lang#78892) - rust-lang#78908 ((rustdoc) [src] link for types defined by macros shows invocation, not defintion) - rust-lang#78910 (Fix links to stabilized versions of some intrinsics) - rust-lang#78912 (Add macro test for min-const-generics) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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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::Argumentspassed todumb_print()does not end with a newline. All other calls todumb_print()in libstd pass a\n-endedfmt::Argumentstodumb_print(). For example:rust/library/std/src/sys_common/util.rs
Line 18 in 25f6938
I think the
\nwas forgotten in #51264.This PR appends
\nto 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.rsor a test that is similar to the test of this change would be.