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fix: reorder --remap-path-prefix flags for -Zbuild-std #13065

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merged 2 commits into from
Nov 29, 2023
Merged

fix: reorder --remap-path-prefix flags for -Zbuild-std #13065

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d6b46bf
test(trim-paths): demonstrate not work properly with `-Zbuild-std`
weihanglo Nov 28, 2023
8709835
fix: reorder `--remap-path-prefix` flags for `-Zbuild-std`
weihanglo Nov 28, 2023
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43 changes: 43 additions & 0 deletions tests/build-std/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -229,3 +229,46 @@ fn custom_test_framework() {
.build_std_arg("core")
.run();
}

// Fixing rust-lang/rust#117839.
// on macOS it never gets remapped.
// Might be a separate issue, so only run on Linux.
#[cargo_test(build_std_real)]
#[cfg(target_os = "linux")]
fn remap_path_scope() {
let p = project()
.file(
"src/main.rs",
"
fn main() {
panic!(\"remap to /rustc/<hash>\");
}
",
)
.file(
".cargo/config.toml",
"
[profile.release]
debug = \"line-tables-only\"
",
)
.build();

p.cargo("run --release -Ztrim-paths")
.masquerade_as_nightly_cargo(&["-Ztrim-paths"])
.env("RUST_BACKTRACE", "1")
.build_std()
.target_host()
.with_status(101)
.with_stderr_contains(
"\
[FINISHED] release [optimized + debuginfo] [..]
[RUNNING] [..]
[..]thread '[..]' panicked at [..]src/main.rs:3:[..]",
)
.with_stderr_contains("remap to /rustc/<hash>")
.with_stderr_contains("[..]at std-0.0.0/src/[..]")
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I don't understand why std-0.0.0 remap didn't show up on macOS. Is it an expected result of how backtrace or -Zbuild-std works?

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Or would be fixed after this rust-lang/rust#118149? I didn't look closer enough though.

.with_stderr_contains("[..]at src/main.rs:3[..]")
.with_stderr_contains("[..]at core-0.0.0/src/[..]")
.run();
}