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fix overflow in array length computation #115335

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Merged
merged 2 commits into from
Sep 11, 2023
Merged

fix overflow in array length computation #115335

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6672b86
fix overflow in array length computation
reez12g Aug 29, 2023
8bf075f
make compiler/rustc_hir_typeck/src/generator_interior/mod.rs fmted
reez12g Sep 11, 2023
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6 changes: 3 additions & 3 deletions compiler/rustc_hir_typeck/src/generator_interior/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -643,15 +643,15 @@ fn check_must_not_suspend_ty<'tcx>(
}
ty::Array(ty, len) => {
let descr_pre = &format!("{}array{} of ", data.descr_pre, plural_suffix);
let target_usize = len.try_eval_target_usize(fcx.tcx, fcx.param_env).unwrap_or(0) as usize;
let plural_len = target_usize.saturating_add(1);
check_must_not_suspend_ty(
fcx,
ty,
hir_id,
SuspendCheckData {
descr_pre,
plural_len: len.try_eval_target_usize(fcx.tcx, fcx.param_env).unwrap_or(0)
as usize
+ 1,
plural_len,
..data
},
)
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