Merge pull request #4560 from rust-lang/rustup-2025-09-03

Automatic Rustup

2 files changed, 17 insertions, 10 deletions

diff --git a/compiler/rustc_codegen_ssa/src/back/archive.rs b/compiler/rustc_codegen_ssa/src/back/archive.rs
index 84a56f6b0b5..cfd8ceac3a6 100644
--- a/compiler/rustc_codegen_ssa/src/back/archive.rs
+++ b/compiler/rustc_codegen_ssa/src/back/archive.rs
@@ -40,16 +40,18 @@ pub struct ImportLibraryItem {
     pub is_data: bool,
 }
 
-impl From<ImportLibraryItem> for COFFShortExport {
-    fn from(item: ImportLibraryItem) -> Self {
+impl ImportLibraryItem {
+    fn into_coff_short_export(self, sess: &Session) -> COFFShortExport {
+        let import_name = (sess.target.arch == "arm64ec").then(|| self.name.clone());
         COFFShortExport {
-            name: item.name,
+            name: self.name,
             ext_name: None,
-            symbol_name: item.symbol_name,
-            alias_target: None,
-            ordinal: item.ordinal.unwrap_or(0),
-            noname: item.ordinal.is_some(),
-            data: item.is_data,
+            symbol_name: self.symbol_name,
+            import_name,
+            export_as: None,
+            ordinal: self.ordinal.unwrap_or(0),
+            noname: self.ordinal.is_some(),
+            data: self.is_data,
             private: false,
             constant: false,
         }
@@ -113,7 +115,8 @@ pub trait ArchiveBuilderBuilder {
                     .emit_fatal(ErrorCreatingImportLibrary { lib_name, error: error.to_string() }),
             };
 
-            let exports = items.into_iter().map(Into::into).collect::<Vec<_>>();
+            let exports =
+                items.into_iter().map(|item| item.into_coff_short_export(sess)).collect::<Vec<_>>();
             let machine = match &*sess.target.arch {
                 "x86_64" => MachineTypes::AMD64,
                 "x86" => MachineTypes::I386,
@@ -134,6 +137,7 @@ pub trait ArchiveBuilderBuilder {
                 // when linking a rust staticlib using `/WHOLEARCHIVE`.
                 // See #129020
                 true,
+                &[],
             ) {
                 sess.dcx()
                     .emit_fatal(ErrorCreatingImportLibrary { lib_name, error: error.to_string() });
@@ -527,7 +531,7 @@ impl<'a> ArArchiveBuilder<'a> {
             &entries,
             archive_kind,
             false,
-            /* is_ec = */ self.sess.target.arch == "arm64ec",
+            /* is_ec = */ Some(self.sess.target.arch == "arm64ec"),
         )?;
         archive_tmpfile.flush()?;
         drop(archive_tmpfile);
diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs
index c3dc3e42b83..5f6976f5d00 100644
--- a/compiler/rustc_codegen_ssa/src/mir/block.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/block.rs
@@ -519,6 +519,9 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
             match self.locals[mir::Local::from_usize(1 + va_list_arg_idx)] {
                 LocalRef::Place(va_list) => {
                     bx.va_end(va_list.val.llval);
+
+                    // Explicitly end the lifetime of the `va_list`, this matters for LLVM.
+                    bx.lifetime_end(va_list.val.llval, va_list.layout.size);
                 }
                 _ => bug!("C-variadic function must have a `VaList` place"),
             }