Pass owned CodegenResults to link_binary

After link_binary the temporary files referenced by CodegenResults are
deleted, so calling link_binary again with the same CodegenResults
should not be allowed.

Author: bjorn3

compiler/rustc_codegen_llvm/src/lib.rs

@@ -382,7 +382,7 @@ impl CodegenBackend for LlvmCodegenBackend {
 
         // Run the linker on any artifacts that resulted from the LLVM run.
         // This should produce either a finished executable or library.
-        link_binary(sess, &LlvmArchiveBuilderBuilder, &codegen_results, outputs)
+        link_binary(sess, &LlvmArchiveBuilderBuilder, codegen_results, outputs)
     }
 }
 

compiler/rustc_codegen_ssa/src/back/link.rs

@@ -69,7 +69,7 @@ pub fn ensure_removed(dcx: DiagCtxtHandle<'_>, path: &Path) {
 pub fn link_binary(
     sess: &Session,
     archive_builder_builder: &dyn ArchiveBuilderBuilder,
-    codegen_results: &CodegenResults,
+    codegen_results: CodegenResults,
     outputs: &OutputFilenames,
 ) -> Result<(), ErrorGuaranteed> {
     let _timer = sess.timer("link_binary");
@@ -116,7 +116,7 @@ pub fn link_binary(
                     link_rlib(
                         sess,
                         archive_builder_builder,
-                        codegen_results,
+                        &codegen_results,
                         RlibFlavor::Normal,
                         &path,
                     )?
@@ -126,7 +126,7 @@ pub fn link_binary(
                     link_staticlib(
                         sess,
                         archive_builder_builder,
-                        codegen_results,
+                        &codegen_results,
                         &out_filename,
                         &path,
                     )?;
@@ -137,7 +137,7 @@ pub fn link_binary(
                         archive_builder_builder,
                         crate_type,
                         &out_filename,
-                        codegen_results,
+                        &codegen_results,
                         path.as_ref(),
                     )?;
                 }

compiler/rustc_codegen_ssa/src/traits/backend.rs

@@ -90,7 +90,7 @@ pub trait CodegenBackend {
         codegen_results: CodegenResults,
         outputs: &OutputFilenames,
     ) -> Result<(), ErrorGuaranteed> {
-        link_binary(sess, &ArArchiveBuilderBuilder, &codegen_results, outputs)
+        link_binary(sess, &ArArchiveBuilderBuilder, codegen_results, outputs)
     }
 
     /// Returns `true` if this backend can be safely called from multiple threads.