Remove no_dead_strip marks

crates/objc2/src/macros/mod.rs

@@ -439,14 +439,15 @@ macro_rules! __statics_sel {
         /// info on "life before main".
         #[cfg_attr(
             not(all(target_os = "macos", target_arch = "x86")),
-            // Clang uses `no_dead_strip` in the link section for some reason,
-            // which other tools (notably some LLVM tools) now assume is
-            // present, so we have to add it as well.
-            link_section = "__DATA,__objc_selrefs,literal_pointers,no_dead_strip",
+            // Clang uses `no_dead_strip` in the link section for some unknown reason,
+            // but it makes LTO fail to trim the unused symbols.
+            // https://github.com/madsmtm/objc2/issues/667
+            // https://github.com/llvm/llvm-project/issues/114111
+            link_section = "__DATA,__objc_selrefs,literal_pointers",
         )]
         #[cfg_attr(
             all(target_os = "macos", target_arch = "x86"),
-            link_section = "__OBJC,__message_refs,literal_pointers,no_dead_strip",
+            link_section = "__OBJC,__message_refs,literal_pointers",
         )]
         #[export_name = $crate::__macro_helpers::concat!("\x01L_OBJC_SELECTOR_REFERENCES_", $hash)]
         static REF: $crate::__macro_helpers::SyncUnsafeCell<$crate::runtime::Sel> = unsafe {
@@ -504,7 +505,7 @@ macro_rules! __statics_class {
         }
 
         /// SAFETY: Same as `REF` above in `__statics_sel!`.
-        #[link_section = "__DATA,__objc_classrefs,regular,no_dead_strip"]
+        #[link_section = "__DATA,__objc_classrefs,regular"]
         #[export_name = $crate::__macro_helpers::concat!(
             "\x01L_OBJC_CLASSLIST_REFERENCES_$_",
             $hash,
@@ -536,7 +537,7 @@ macro_rules! __statics_class {
         static NAME_DATA: [$crate::__macro_helpers::u8; X.len()] = $crate::__statics_string_to_known_length_bytes!(X);
 
         /// SAFETY: Same as `REF` above in `__statics_sel!`.
-        #[link_section = "__OBJC,__cls_refs,literal_pointers,no_dead_strip"]
+        #[link_section = "__OBJC,__cls_refs,literal_pointers"]
         #[export_name = $crate::__macro_helpers::concat!(
             "\x01L_OBJC_CLASS_REFERENCES_",
             $hash,