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rustc_codegen_ssa: Buffer file writes in link_rlib #134866

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Merged
merged 2 commits into from
Dec 30, 2024
Merged

rustc_codegen_ssa: Buffer file writes in link_rlib #134866

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563920c
rustc_codegen_ssa: Buffer file writes in link_rlib
osiewicz Dec 29, 2024
586a805
review fixes: Adjust whitespace
osiewicz Dec 29, 2024
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7 changes: 5 additions & 2 deletions compiler/rustc_codegen_ssa/src/back/archive.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ use std::env;
use std::error::Error;
use std::ffi::OsString;
use std::fs::{self, File};
use std::io::{self, Write};
use std::io::{self, BufWriter, Write};
use std::path::{Path, PathBuf};

use ar_archive_writer::{
Expand Down Expand Up @@ -509,16 +509,19 @@ impl<'a> ArArchiveBuilder<'a> {
io_error_context("couldn't create a directory for the temp file", err)
})?;
let archive_tmpfile_path = archive_tmpdir.path().join("tmp.a");
let mut archive_tmpfile = File::create_new(&archive_tmpfile_path)
let archive_tmpfile = File::create_new(&archive_tmpfile_path)
.map_err(|err| io_error_context("couldn't create the temp file", err))?;

let mut archive_tmpfile = BufWriter::new(archive_tmpfile);
write_archive_to_stream(
&mut archive_tmpfile,
&entries,
archive_kind,
false,
/* is_ec = */ self.sess.target.arch == "arm64ec",
)?;
archive_tmpfile.flush()?;
drop(archive_tmpfile);

let any_entries = !entries.is_empty();
drop(entries);
Expand Down