--- compiler/rustc_target/src/spec/base/apple/mod.rs.orig	2023-12-21 09:55:28
+++ compiler/rustc_target/src/spec/base/apple/mod.rs	2024-01-04 01:18:13
@@ -144,7 +144,7 @@
         // LLVM notes that macOS 10.11+ and iOS 9+ default
         // to v4, so we do the same.
         // https://github.com/llvm/llvm-project/blob/378778a0d10c2f8d5df8ceff81f95b6002984a4b/clang/lib/Driver/ToolChains/Darwin.cpp#L1203
-        default_dwarf_version: 4,
+        default_dwarf_version: 2,
         frame_pointer: FramePointer::Always,
         has_rpath: true,
         dll_suffix: ".dylib".into(),