Auto merge of #115817 - fee1-dead-contrib:fix-codegen, r=oli-obk

treat host effect params as erased in codegen

This fixes the changes brought to codegen tests when effect params are added to libcore, by not attempting to monomorphize functions that get the host param by being `const fn`.

r? `@oli-obk`

compiler/rustc_codegen_llvm/src/callee.rs

@@ -95,7 +95,8 @@ pub fn get_fn<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>, instance: Instance<'tcx>) ->
         unsafe {
             llvm::LLVMRustSetLinkage(llfn, llvm::Linkage::ExternalLinkage);
 
-            let is_generic = instance.args.non_erasable_generics().next().is_some();
+            let is_generic =
+                instance.args.non_erasable_generics(tcx, instance.def_id()).next().is_some();
 
             if is_generic {
                 // This is a monomorphization. Its expected visibility depends

compiler/rustc_codegen_llvm/src/debuginfo/mod.rs

@@ -349,6 +349,7 @@ impl<'ll, 'tcx> DebugInfoMethods<'tcx> for CodegenCx<'ll, 'tcx> {
         type_names::push_generic_params(
             tcx,
             tcx.normalize_erasing_regions(ty::ParamEnv::reveal_all(), args),
+            enclosing_fn_def_id,
             &mut name,
         );