Rustup to rustc 1.48.0-nightly (fc2daaae6 2020-09-28)

patches/0023-core-Ignore-failing-tests.patch

@@ -38,11 +38,14 @@ index 4bc44e9..8e3c7a4 100644
  // See note on above test for why `should_panic` is used.
  #[test]
  #[should_panic(expected = "test succeeded")]
-@@ -332,3 +333,4 @@ fn array_map_drop_safety() {
+@@ -332,6 +333,7 @@ fn array_map_drop_safety() {
      assert_eq!(DROPPED.load(Ordering::SeqCst), num_to_create);
      panic!("test succeeded")
  }
 +*/
+ 
+ #[test]
+ fn cell_allows_array_cycle() {
 diff --git a/library/core/tests/num/mod.rs b/library/core/tests/num/mod.rs
 index a17c094..5bb11d2 100644
 --- a/library/core/tests/num/mod.rs

rust-toolchain

@@ -1 +1 @@
-nightly-2020-09-20
+nightly-2020-09-29

scripts/config.sh

@@ -40,8 +40,6 @@ if [[ `uname` == 'Darwin' ]]; then
    export RUSTFLAGS="$RUSTFLAGS -Clink-arg=-undefined -Clink-arg=dynamic_lookup"
 fi
 
-export RUSTC_LOG=warn # display metadata load errors
-
 export LD_LIBRARY_PATH="$(pwd)/target/out:$(pwd)/build_sysroot/sysroot/lib/rustlib/$TARGET_TRIPLE/lib"
 export DYLD_LIBRARY_PATH=$LD_LIBRARY_PATH
 

src/constant.rs

@@ -390,12 +390,7 @@ fn define_all_allocs(tcx: TyCtxt<'_>, module: &mut Module<impl Backend>, cx: &mu
                     .link_section
                     .map(|s| s.as_str());
 
-                let const_ = tcx.const_eval_poly(def_id).unwrap();
+                let alloc = tcx.eval_static_initializer(def_id).unwrap();
-
-                let alloc = match const_ {
-                    ConstValue::ByRef { alloc, offset } if offset.bytes() == 0 => alloc,
-                    _ => bug!("static const eval returned {:#?}", const_),
-                };
 
                 let data_id = data_id_for_static(tcx, module, def_id, true);
                 (data_id, alloc, section_name)

src/target_features_whitelist.rs

@@ -73,7 +73,6 @@ const X86_ALLOWED_FEATURES: &[(&str, Option<Symbol>)] = &[
     ("fma", None),
     ("fxsr", None),
     ("lzcnt", None),
-    ("mmx", Some(sym::mmx_target_feature)),
     ("movbe", Some(sym::movbe_target_feature)),
     ("pclmulqdq", None),
     ("popcnt", None),