fix

Author: ZuseZ4

compiler/rustc_codegen_llvm/src/builder/gpu_offload.rs

@@ -164,7 +164,7 @@ pub(crate) fn add_unnamed_global<'ll>(
     l: Linkage,
 ) -> &'ll llvm::Value {
     let llglobal = add_global(cx, name, initializer, l);
-    llvm::SetUnnamedAddress(llglobal, llvm::UnnamedAddr::Global);
+    llvm::LLVMSetUnnamedAddress(llglobal, llvm::UnnamedAddr::Global);
     llglobal
 }
 
@@ -337,7 +337,7 @@ fn gen_call_handling<'ll>(
         // get function arg, store it into the alloca, and read it.
         let p = llvm::get_param(called, index as u32);
         let name = llvm::get_value_name(p);
-        let name = str::from_utf8(name).unwrap();
+        let name = str::from_utf8(&name).unwrap();
         let arg_name = format!("{name}.addr");
         let alloca = builder.direct_alloca(in_ty, Align::EIGHT, &arg_name);
 

compiler/rustc_session/src/config.rs

@@ -2730,6 +2730,7 @@ pub fn build_session_options(early_dcx: &mut EarlyDiagCtxt, matches: &getopts::M
     if !unstable_options_enabled {
         if let Err(error) = cg.link_self_contained.check_unstable_variants(&target_triple) {
             early_dcx.early_fatal(error);
+        }
 
         if let Some(flavor) = cg.linker_flavor {
             if flavor.is_unstable() {

tests/codegen/gpu_offload/gpu_host.rs

@@ -1,4 +1,4 @@
-//@ compile-flags: -Zoffload=Enable -C opt-level=3  -Clto=fat
+//@ compile-flags: -Zoffload=Enable -Zunstable-options -C opt-level=3  -Clto=fat
 //@ no-prefer-dynamic
 //@ needs-enzyme