bjoernager/rust
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remove redundant imports

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detects redundant imports that can be eliminated.

for #117772 :

In order to facilitate review and modification, split the checking code and
removing redundant imports code into two PR.
This commit is contained in:
surechen 2023-11-10 10:11:24 +08:00
parent 8cd8d31369
commit 40ae34194c
283 changed files with 140 additions and 510 deletions
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compiler/rustc_mir_transform/src/dataflow_const_prop.rs
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@ -20,7 +20,6 @@ use rustc_span::DUMMY_SP;
use rustc_target::abi::{Abi, FieldIdx, Size, VariantIdx, FIRST_VARIANT};
use crate::const_prop::throw_machine_stop_str;
use crate::MirPass;
// These constants are somewhat random guesses and have not been optimized.
// If `tcx.sess.mir_opt_level() >= 4`, we ignore the limits (this can become very expensive).