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authorMatthias Krüger <matthias.krueger@famsik.de>2022-12-20 14:37:32 +0100
committerGitHub <noreply@github.com>2022-12-20 14:37:32 +0100
commitc3af456d6da6bb85dbb8e545f7cab831549325a8 (patch)
tree2a26ab28984129f3855eeb9680ec3fea1f04722b /compiler/rustc_mir_transform/src
parent52fe5a1cc142562c549a54a41147a92e7e23e25f (diff)
parent4251289f27949cec69d8aa39d3891a4977fbc856 (diff)
downloadrust-c3af456d6da6bb85dbb8e545f7cab831549325a8.tar.gz
rust-c3af456d6da6bb85dbb8e545f7cab831549325a8.zip
Rollup merge of #105930 - JakobDegen:nal-unsound, r=oli-obk
Disable `NormalizeArrayLen`

cc #105929

r? mir-opt
Diffstat (limited to 'compiler/rustc_mir_transform/src')
-rw-r--r--compiler/rustc_mir_transform/src/normalize_array_len.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_mir_transform/src/normalize_array_len.rs b/compiler/rustc_mir_transform/src/normalize_array_len.rs
index a159e617178..1708b287e56 100644
--- a/compiler/rustc_mir_transform/src/normalize_array_len.rs
+++ b/compiler/rustc_mir_transform/src/normalize_array_len.rs
@@ -16,7 +16,8 @@ pub struct NormalizeArrayLen;
 
 impl<'tcx> MirPass<'tcx> for NormalizeArrayLen {
     fn is_enabled(&self, sess: &rustc_session::Session) -> bool {
-        sess.mir_opt_level() >= 4
+        // See #105929
+        sess.mir_opt_level() >= 4 && sess.opts.unstable_opts.unsound_mir_opts
     }
 
     fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {