From 298ec5258f8e5f1211734bcb43c89aa184d3ca1b Mon Sep 17 00:00:00 2001
From: Wesley Wiser <wesleywiser@microsoft.com>
Date: Wed, 23 Aug 2023 13:31:38 -0400
Subject: Disable MIR SROA optimization by default

Turn off the MIR SROA optimization by default to prevent incorrect
debuginfo generation and rustc ICEs caused by invalid LLVM IR being
created.

Related to #115113
---
 compiler/rustc_mir_transform/src/sroa.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'compiler')

diff --git a/compiler/rustc_mir_transform/src/sroa.rs b/compiler/rustc_mir_transform/src/sroa.rs
index 881a1547c52..94e1da8e145 100644
--- a/compiler/rustc_mir_transform/src/sroa.rs
+++ b/compiler/rustc_mir_transform/src/sroa.rs
@@ -12,7 +12,7 @@ pub struct ScalarReplacementOfAggregates;
 
 impl<'tcx> MirPass<'tcx> for ScalarReplacementOfAggregates {
     fn is_enabled(&self, sess: &rustc_session::Session) -> bool {
-        sess.mir_opt_level() >= 2
+        sess.mir_opt_level() >= 3
     }
 
     #[instrument(level = "debug", skip(self, tcx, body))]
-- 
cgit 1.4.1-3-g733a5