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Rollup merge of #129767 - nnethercote:rm-extern-crate-tracing-4, r=jieyouxu

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Remove `#[macro_use] extern crate tracing`, round 4

Because explicit importing of macros via use items is nicer (more standard and readable) than implicit importing via #[macro_use]. Continuing the work from #124511, #124914, and #125434. After this PR no `rustc_*` crates use `#[macro_use] extern crate tracing` except for `rustc_codegen_gcc` which is a special case and I will do separately.

r? ```@jieyouxu```
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Matthias Krüger 2024-08-31 14:46:11 +02:00 • committed by GitHub
commit 7d025bb63d
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213 changed files with 211 additions and 18 deletions
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compiler/rustc_mir_transform/src/jump_threading.rs
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@ -51,6 +51,7 @@ use rustc_mir_dataflow::lattice::HasBottom;
use rustc_mir_dataflow::value_analysis::{Map, PlaceIndex, State, TrackElem};
use rustc_span::DUMMY_SP;
use rustc_target::abi::{TagEncoding, Variants};
use tracing::{debug, instrument, trace};
use crate::cost_checker::CostChecker;