Rustup to rustc 1.35.0-nightly (aa99abeb2 2019-04-14)

Author: bjorn3

patches/0002-Disable-u128-and-i128-in-libcore.patch

@@ -281,6 +281,9 @@ index 828d572..bc04fb1 100644
  #[stable(feature = "nonzero", since = "1.28.0")]
 -pub use core::num::{NonZeroU8, NonZeroU16, NonZeroU32, NonZeroU64, NonZeroU128, NonZeroUsize};
 +pub use core::num::{NonZeroU8, NonZeroU16, NonZeroU32, NonZeroU64, NonZeroUsize};
+ #[stable(feature = "signed_nonzero", since = "1.34.0")]
+-pub use core::num::{NonZeroI8, NonZeroI16, NonZeroI32, NonZeroI64, NonZeroI128, NonZeroIsize};
++pub use core::num::{NonZeroI8, NonZeroI16, NonZeroI32, NonZeroI64, NonZeroIsize};
 
  #[cfg(test)] use crate::fmt;
  #[cfg(test)] use crate::ops::{Add, Sub, Mul, Div, Rem};

patches/0015-Remove-usage-of-unsized-locals.patch

@@ -62,7 +62,7 @@ index 1181b86..20f9251 100644
  }
 +*/
 
- pub fn push(f: Box<dyn FnBox()>) -> bool {
+ pub fn push(f: Box<dyn FnOnce()>) -> bool {
      unsafe {
 diff --git a/src/libstd/sys_common/mod.rs b/src/libstd/sys_common/mod.rs
 index 6260c3b..611ed7e 100644
@@ -89,7 +89,7 @@ index b2142e7..718bb1c 100644
 -    let _handler = stack_overflow::Handler::new();
 -
 -    // Finally, let's run some code.
--    Box::from_raw(main as *mut Box<dyn FnBox()>)()
+-    Box::from_raw(main as *mut Box<dyn FnOnce()>)()
 +    panic!("Threads are not yet supported, because cranelift doesn't support atomics.");
  }
 

src/base.rs

@@ -410,8 +410,13 @@ fn trans_stmt<'a, 'tcx: 'a>(
                 layout::Variants::Single { index } => {
                     assert_eq!(index, *variant_index);
                 }
-                layout::Variants::Multiple { discr_kind: layout::DiscriminantKind::Tag, .. } => {
-                    let ptr = place.place_field(fx, mir::Field::new(0));
+                layout::Variants::Multiple {
+                    discr: _,
+                    discr_index,
+                    discr_kind: layout::DiscriminantKind::Tag,
+                    variants: _,
+                } => {
+                    let ptr = place.place_field(fx, mir::Field::new(discr_index));
                     let to = layout
                         .ty
                         .ty_adt_def()
@@ -422,15 +427,17 @@ fn trans_stmt<'a, 'tcx: 'a>(
                     ptr.write_cvalue(fx, discr);
                 }
                 layout::Variants::Multiple {
+                    discr: _,
+                    discr_index,
                     discr_kind: layout::DiscriminantKind::Niche {
                         dataful_variant,
                         ref niche_variants,
                         niche_start,
                     },
-                    ..
+                    variants: _,
                 } => {
                     if *variant_index != dataful_variant {
-                        let niche = place.place_field(fx, mir::Field::new(0));
+                        let niche = place.place_field(fx, mir::Field::new(discr_index));
                         //let niche_llty = niche.layout.immediate_llvm_type(bx.cx);
                         let niche_value =
                             ((variant_index.as_u32() - niche_variants.start().as_u32()) as u128)
@@ -767,7 +774,7 @@ pub fn trans_get_discriminant<'a, 'tcx: 'a>(
         return trap_unreachable_ret_value(fx, dest_layout, "[panic] Tried to get discriminant for uninhabited type.");
     }
 
-    let (discr_scalar, discr_kind) = match &layout.variants {
+    let (discr_scalar, discr_index, discr_kind) = match &layout.variants {
         layout::Variants::Single { index } => {
             let discr_val = layout
                 .ty
@@ -777,10 +784,12 @@ pub fn trans_get_discriminant<'a, 'tcx: 'a>(
                 });
             return CValue::const_val(fx, dest_layout.ty, discr_val as u64 as i64);
         }
-        layout::Variants::Multiple { discr, discr_kind, variants: _ } => (discr, discr_kind),
+        layout::Variants::Multiple { discr, discr_index, discr_kind, variants: _ } => {
+            (discr, *discr_index, discr_kind)
+        }
     };
 
-    let discr = place.place_field(fx, mir::Field::new(0)).to_cvalue(fx);
+    let discr = place.place_field(fx, mir::Field::new(discr_index)).to_cvalue(fx);
     let discr_ty = discr.layout().ty;
     let lldiscr = discr.load_scalar(fx);
     match discr_kind {

src/lib.rs

@@ -173,7 +173,7 @@ impl CodegenBackend for CraneliftCodegenBackend {
         if sess.opts.cg.rpath {
             sess.err("rpath is not yet supported");
         }
-        if sess.opts.debugging_opts.pgo_gen.is_some() {
+        if sess.opts.debugging_opts.pgo_gen.enabled() {
             sess.err("pgo is not supported");
         }
     }

src/link.rs

@@ -448,7 +448,7 @@ fn link_args(cmd: &mut dyn Linker,
         cmd.build_static_executable();
     }
 
-    if sess.opts.debugging_opts.pgo_gen.is_some() {
+    if sess.opts.debugging_opts.pgo_gen.enabled() {
         cmd.pgo_gen();
     }