Update to nightly-2023-08-12

Author: antoyo

Cargo.lock

@@ -2,6 +2,7 @@
 authors = ["bjorn3 <bjorn3@users.noreply.github.com>"]
 name = "sysroot"
 version = "0.0.0"
+resolver = "2"
 
 [dependencies]
 core = { path = "./sysroot_src/library/core" }

build_sysroot/Cargo.toml

@@ -1,5 +1,6 @@
 #![feature(start, core_intrinsics, alloc_error_handler, lang_items)]
 #![no_std]
+#![allow(internal_features)]
 
 extern crate alloc;
 extern crate alloc_system;

example/alloc_example.rs

@@ -2,6 +2,7 @@
 
 #![feature(arbitrary_self_types, unsize, coerce_unsized, dispatch_from_dyn)]
 #![feature(rustc_attrs)]
+#![allow(internal_features)]
 
 use std::{
     ops::{Deref, CoerceUnsized, DispatchFromDyn},

example/arbitrary_self_types_pointers_and_wrappers.rs

@@ -4,7 +4,7 @@
     thread_local
 )]
 #![no_core]
-#![allow(dead_code)]
+#![allow(dead_code, internal_features)]
 
 #[no_mangle]
 unsafe extern "C" fn _Unwind_Resume() {

example/mini_core.rs

@@ -5,7 +5,7 @@
     extern_types, thread_local
 )]
 #![no_core]
-#![allow(dead_code, non_camel_case_types)]
+#![allow(dead_code, internal_features, non_camel_case_types)]
 
 extern crate mini_core;
 

example/mini_core_hello_world.rs

@@ -1,5 +1,6 @@
 #![feature(start, core_intrinsics, lang_items)]
 #![no_std]
+#![allow(internal_features)]
 
 #[link(name = "c")]
 extern {}

example/mod_bench.rs

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2023-06-19"
+channel = "nightly-2023-08-12"
 components = ["rust-src", "rustc-dev", "llvm-tools-preview"]

rust-toolchain

@@ -247,16 +247,9 @@ impl<'a, 'gcc, 'tcx> Builder<'a, 'gcc, 'tcx> {
     }
 
     fn check_store(&mut self, val: RValue<'gcc>, ptr: RValue<'gcc>) -> RValue<'gcc> {
-        let dest_ptr_ty = self.cx.val_ty(ptr).make_pointer(); // TODO(antoyo): make sure make_pointer() is okay here.
         let stored_ty = self.cx.val_ty(val);
         let stored_ptr_ty = self.cx.type_ptr_to(stored_ty);
-
-        if dest_ptr_ty == stored_ptr_ty {
-            ptr
-        }
-        else {
-            self.bitcast(ptr, stored_ptr_ty)
-        }
+        self.bitcast(ptr, stored_ptr_ty)
     }
 
     pub fn current_func(&self) -> Function<'gcc> {
@@ -916,7 +909,9 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
             .add_eval(None, self.context.new_call(None, atomic_store, &[ptr, value, ordering]));
     }
 
-    fn gep(&mut self, _typ: Type<'gcc>, ptr: RValue<'gcc>, indices: &[RValue<'gcc>]) -> RValue<'gcc> {
+    fn gep(&mut self, typ: Type<'gcc>, ptr: RValue<'gcc>, indices: &[RValue<'gcc>]) -> RValue<'gcc> {
+        // NOTE: due to opaque pointers now being used, we need to cast here.
+        let ptr = self.context.new_cast(None, ptr, typ.make_pointer());
         let ptr_type = ptr.get_type();
         let mut pointee_type = ptr.get_type();
         // NOTE: we cannot use array indexing here like in inbounds_gep because array indexing is