set subsections_via_symbols for ld64 helper sections

usamoi · usamoi · commit 73a7a59a1a44 · 2025-04-13T23:18:45.000+08:00
diff --git a/compiler/rustc_codegen_ssa/src/back/metadata.rs b/compiler/rustc_codegen_ssa/src/back/metadata.rs
@@ -221,6 +221,9 @@ pub(crate) fn create_object_file(sess: &Session) -> Option<write::Object<'static
 
         file.set_macho_build_version(macho_object_build_version_for_target(sess))
     }
+    if binary_format == BinaryFormat::MachO {
+        file.set_subsections_via_symbols();
+    }
     if binary_format == BinaryFormat::Coff {
         // Disable the default mangler to avoid mangling the special "@feat.00" symbol name.
         let original_mangling = file.mangling();

Original file line number	Diff line number	Diff line change
`@@ -221,6 +221,9 @@ pub(crate) fn create_object_file(sess: &Session) -> Option<write::Object<'static`
`221`	`221`
`222`	`222`	`file.set_macho_build_version(macho_object_build_version_for_target(sess))`
`223`	`223`	`}`
	`224`	`+ if binary_format == BinaryFormat::MachO {`
	`225`	`+ file.set_subsections_via_symbols();`
	`226`	`+ }`
`224`	`227`	`if binary_format == BinaryFormat::Coff {`
`225`	`228`	`// Disable the default mangler to avoid mangling the special "@feat.00" symbol name.`
`226`	`229`	`let original_mangling = file.mangling();`