Auto merge of #145906 - samueltardieu:rollup-p8ibzhz, r=samueltardieu

Rollup of 9 pull requests

Successful merges:

 - rust-lang/rust#144499 (ci: Begin running ui tests with `rust.debuginfo-level-tests=1`)
 - rust-lang/rust#145790 (Improve dist for gnullvm hosts)
 - rust-lang/rust#145792 (Use attribute name in message for "outer attr used as inner attr" errors)
 - rust-lang/rust#145840 (rustc_codegen_ssa: More comprehensive RISC-V ELF flags)
 - rust-lang/rust#145876 (Enable building/disting standard library in stage 0)
 - rust-lang/rust#145887 (bootstrap: Don't panic if codegen-backends is set to empty)
 - rust-lang/rust#145888 (platform-support: Fix LoongArch32 host column)
 - rust-lang/rust#145892 (add a flag to codegen fn attrs for foreign items)
 - rust-lang/rust#145901 (Fix typo in comment of library/alloc/src/raw_vec/mod.rs)

r? `@ghost`
`@rustbot` modify labels: rollup

3 files changed, 12 insertions, 4 deletions

diff --git a/compiler/rustc_codegen_ssa/src/back/metadata.rs b/compiler/rustc_codegen_ssa/src/back/metadata.rs
index bf38c02e908..10aaadd5688 100644
--- a/compiler/rustc_codegen_ssa/src/back/metadata.rs
+++ b/compiler/rustc_codegen_ssa/src/back/metadata.rs
@@ -329,12 +329,18 @@ pub(super) fn elf_e_flags(architecture: Architecture, sess: &Session) -> u32 {
             // Source: https://github.com/riscv-non-isa/riscv-elf-psabi-doc/blob/079772828bd10933d34121117a222b4cc0ee2200/riscv-elf.adoc
             let mut e_flags: u32 = 0x0;
 
-            // Check if compressed is enabled
-            // `unstable_target_features` is used here because "c" is gated behind riscv_target_feature.
-            if sess.unstable_target_features.contains(&sym::c) {
+            // Check if compression is enabled
+            // `unstable_target_features` is used here because "zca" is gated behind riscv_target_feature.
+            if sess.unstable_target_features.contains(&sym::zca) {
                 e_flags |= elf::EF_RISCV_RVC;
             }
 
+            // Check if RVTSO is enabled
+            // `unstable_target_features` is used here because "ztso" is gated behind riscv_target_feature.
+            if sess.unstable_target_features.contains(&sym::ztso) {
+                e_flags |= elf::EF_RISCV_TSO;
+            }
+
             // Set the appropriate flag based on ABI
             // This needs to match LLVM `RISCVELFStreamer.cpp`
             match &*sess.target.llvm_abiname {
diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
index 77096822fdc..13419bcb22c 100644
--- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
+++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs
@@ -570,7 +570,7 @@ fn symbol_export_level(tcx: TyCtxt<'_>, sym_def_id: DefId) -> SymbolExportLevel
     // core/std/allocators/etc. For example symbols used to hook up allocation
     // are not considered for export
     let codegen_fn_attrs = tcx.codegen_fn_attrs(sym_def_id);
-    let is_extern = codegen_fn_attrs.contains_extern_indicator(tcx, sym_def_id);
+    let is_extern = codegen_fn_attrs.contains_extern_indicator();
     let std_internal =
         codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL);
 
diff --git a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs
index 6b0bd64102c..961bb788149 100644
--- a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs
+++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs
@@ -385,6 +385,8 @@ fn apply_overrides(tcx: TyCtxt<'_>, did: LocalDefId, codegen_fn_attrs: &mut Code
 
     // Foreign items by default use no mangling for their symbol name.
     if tcx.is_foreign_item(did) {
+        codegen_fn_attrs.flags |= CodegenFnAttrFlags::FOREIGN_ITEM;
+
         // There's a few exceptions to this rule though:
         if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL) {
             // * `#[rustc_std_internal_symbol]` mangles the symbol name in a special way