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Rollup merge of #134743 - jyn514:rustc-dev-short-backtraces, r=jieyouxu

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Default to short backtraces for dev builds of rustc itself

A dev build almost certainly means that whoever's built the compiler has the opportunity to rerun it to collect a more complete trace. So we don't need to default to a complete trace; we should hide irrelevant details by default.
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许杰友 Jieyou Xu (Joe) 2024-12-25 17:25:58 +08:00 • committed by GitHub
commit aef9d6b0a8
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1 changed files with 5 additions and 1 deletions
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6
compiler/rustc_driver_impl/src/lib.rs
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@ -1388,7 +1388,11 @@ pub fn install_ice_hook(
// opt in to less-verbose backtraces by manually setting "RUST_BACKTRACE"
// (e.g. `RUST_BACKTRACE=1`)
if env::var_os("RUST_BACKTRACE").is_none() {
panic::set_backtrace_style(panic::BacktraceStyle::Full);
if env!("CFG_RELEASE_CHANNEL") == "dev" {
panic::set_backtrace_style(panic::BacktraceStyle::Short);
} else {
panic::set_backtrace_style(panic::BacktraceStyle::Full);
}
}
let using_internal_features = Arc::new(std::sync::atomic::AtomicBool::default());