Auto merge of #92587 - matthiaskrgr:rollup-qnwa8qx, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #92092 (Drop guards in slice sorting derive src pointers from &mut T, which is invalidated by interior mutation in comparison)
 - #92388 (Fix a minor mistake in `String::try_reserve_exact` examples)
 - #92442 (Add negative `impl` for `Ord`, `PartialOrd` on `LocalDefId`)
 - #92483 (Stabilize `result_cloned` and `result_copied`)
 - #92574 (Add RISC-V detection macro and more architecture instructions)
 - #92575 (ast: Always keep a `NodeId` in `ast::Crate`)
 - #92583 (⬆️ rust-analyzer)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2022-01-05 15:28:36 +00:00
commit f1ce0e6a00
20 changed files with 77 additions and 54 deletions

View File

@ -510,8 +510,10 @@ pub struct Crate {
pub attrs: Vec<Attribute>,
pub items: Vec<P<Item>>,
pub span: Span,
// Placeholder ID if the crate node is a macro placeholder.
pub is_placeholder: Option<NodeId>,
/// Must be equal to `CRATE_NODE_ID` after the crate root is expanded, but may hold
/// expansion placeholders or an unassigned value (`DUMMY_NODE_ID`) before that.
pub id: NodeId,
pub is_placeholder: bool,
}
/// Possible values inside of compile-time attribute lists.

View File

@ -1109,7 +1109,8 @@ pub fn noop_visit_fn_header<T: MutVisitor>(header: &mut FnHeader, vis: &mut T) {
}
pub fn noop_visit_crate<T: MutVisitor>(krate: &mut Crate, vis: &mut T) {
let Crate { attrs, items, span, is_placeholder: _ } = krate;
let Crate { attrs, items, span, id, is_placeholder: _ } = krate;
vis.visit_id(id);
visit_attrs(attrs, vis);
items.flat_map_in_place(|item| vis.flat_map_item(item));
vis.visit_span(span);
@ -1554,6 +1555,7 @@ impl DummyAstNode for Crate {
attrs: Default::default(),
items: Default::default(),
span: Default::default(),
id: DUMMY_NODE_ID,
is_placeholder: Default::default(),
}
}

View File

@ -377,6 +377,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> {
dir_path,
});
let krate = self.fully_expand_fragment(AstFragment::Crate(krate)).make_crate();
assert_eq!(krate.id, ast::CRATE_NODE_ID);
self.cx.trace_macros_diag();
krate
}
@ -1169,7 +1170,8 @@ impl<'a, 'b> MutVisitor for InvocationCollector<'a, 'b> {
attrs: Vec::new(),
items: Vec::new(),
span,
is_placeholder: None,
id: self.cx.resolver.next_node_id(),
is_placeholder: false,
};
}
};
@ -1180,7 +1182,7 @@ impl<'a, 'b> MutVisitor for InvocationCollector<'a, 'b> {
.make_crate();
}
noop_visit_crate(&mut krate, self);
assign_id!(self, &mut krate.id, || noop_visit_crate(&mut krate, self));
krate
})
}

View File

@ -50,7 +50,8 @@ pub fn placeholder(
attrs: Default::default(),
items: Default::default(),
span,
is_placeholder: Some(id),
id,
is_placeholder: true,
}),
AstFragmentKind::Expr => AstFragment::Expr(expr_placeholder()),
AstFragmentKind::OptExpr => AstFragment::OptExpr(Some(expr_placeholder())),
@ -362,8 +363,8 @@ impl MutVisitor for PlaceholderExpander {
}
fn visit_crate(&mut self, krate: &mut ast::Crate) {
if let Some(id) = krate.is_placeholder {
*krate = self.remove(id).make_crate();
if krate.is_placeholder {
*krate = self.remove(krate.id).make_crate();
} else {
noop_visit_crate(krate, self)
}

View File

@ -3,7 +3,7 @@ use crate::proc_macro_decls;
use crate::util;
use rustc_ast::mut_visit::MutVisitor;
use rustc_ast::{self as ast, visit};
use rustc_ast::{self as ast, visit, DUMMY_NODE_ID};
use rustc_borrowck as mir_borrowck;
use rustc_codegen_ssa::back::link::emit_metadata;
use rustc_codegen_ssa::traits::CodegenBackend;
@ -323,7 +323,7 @@ pub fn configure_and_expand(
let crate_attrs = krate.attrs.clone();
let extern_mod_loaded = |ident: Ident, attrs, items, span| {
let krate = ast::Crate { attrs, items, span, is_placeholder: None };
let krate = ast::Crate { attrs, items, span, id: DUMMY_NODE_ID, is_placeholder: false };
pre_expansion_lint(sess, lint_store, &krate, &crate_attrs, ident.name.as_str());
(krate.attrs, krate.items)
};

View File

@ -27,7 +27,7 @@ impl<'a> Parser<'a> {
/// Parses a source module as a crate. This is the main entry point for the parser.
pub fn parse_crate_mod(&mut self) -> PResult<'a, ast::Crate> {
let (attrs, items, span) = self.parse_mod(&token::Eof)?;
Ok(ast::Crate { attrs, items, span, is_placeholder: None })
Ok(ast::Crate { attrs, items, span, id: DUMMY_NODE_ID, is_placeholder: false })
}
/// Parses a `mod <foo> { ... }` or `mod <foo>;` item.

View File

@ -1512,8 +1512,8 @@ impl<'a, 'b> Visitor<'b> for BuildReducedGraphVisitor<'a, 'b> {
}
fn visit_crate(&mut self, krate: &'b ast::Crate) {
if let Some(id) = krate.is_placeholder {
self.visit_invoc_in_module(id);
if krate.is_placeholder {
self.visit_invoc_in_module(krate.id);
} else {
visit::walk_crate(self, krate);
self.contains_macro_use(&krate.attrs);

View File

@ -344,8 +344,8 @@ impl<'a, 'b> visit::Visitor<'a> for DefCollector<'a, 'b> {
}
fn visit_crate(&mut self, krate: &'a Crate) {
if let Some(id) = krate.is_placeholder {
self.visit_macro_invoc(id)
if krate.is_placeholder {
self.visit_macro_invoc(krate.id)
} else {
visit::walk_crate(self, krate)
}

View File

@ -68,7 +68,7 @@ use smallvec::{smallvec, SmallVec};
use std::cell::{Cell, RefCell};
use std::collections::{BTreeMap, BTreeSet};
use std::ops::ControlFlow;
use std::{cmp, fmt, iter, ptr};
use std::{cmp, fmt, iter, mem, ptr};
use tracing::debug;
use diagnostics::{extend_span_to_previous_binding, find_span_of_binding_until_next_binding};
@ -1394,7 +1394,7 @@ impl<'a> Resolver<'a> {
.chain(features.declared_lang_features.iter().map(|(feat, ..)| *feat))
.collect(),
lint_buffer: LintBuffer::default(),
next_node_id: NodeId::from_u32(1),
next_node_id: CRATE_NODE_ID,
node_id_to_def_id,
def_id_to_node_id,
placeholder_field_indices: Default::default(),
@ -1430,8 +1430,7 @@ impl<'a> Resolver<'a> {
pub fn next_node_id(&mut self) -> NodeId {
let next =
self.next_node_id.as_u32().checked_add(1).expect("input too large; ran out of NodeIds");
self.next_node_id = ast::NodeId::from_u32(next);
self.next_node_id
mem::replace(&mut self.next_node_id, ast::NodeId::from_u32(next))
}
pub fn lint_buffer(&mut self) -> &mut LintBuffer {

View File

@ -316,17 +316,23 @@ impl fmt::Debug for DefId {
rustc_data_structures::define_id_collections!(DefIdMap, DefIdSet, DefId);
/// A LocalDefId is equivalent to a DefId with `krate == LOCAL_CRATE`. Since
/// A `LocalDefId` is equivalent to a `DefId` with `krate == LOCAL_CRATE`. Since
/// we encode this information in the type, we can ensure at compile time that
/// no DefIds from upstream crates get thrown into the mix. There are quite a
/// few cases where we know that only DefIds from the local crate are expected
/// and a DefId from a different crate would signify a bug somewhere. This
/// is when LocalDefId comes in handy.
/// no `DefId`s from upstream crates get thrown into the mix. There are quite a
/// few cases where we know that only `DefId`s from the local crate are expected;
/// a `DefId` from a different crate would signify a bug somewhere. This
/// is when `LocalDefId` comes in handy.
#[derive(Clone, Copy, PartialEq, Eq, Hash)]
pub struct LocalDefId {
pub local_def_index: DefIndex,
}
// To ensure correctness of incremental compilation,
// `LocalDefId` must not implement `Ord` or `PartialOrd`.
// See https://github.com/rust-lang/rust/issues/90317.
impl !Ord for LocalDefId {}
impl !PartialOrd for LocalDefId {}
pub const CRATE_DEF_ID: LocalDefId = LocalDefId { local_def_index: CRATE_DEF_INDEX };
impl Idx for LocalDefId {

View File

@ -892,7 +892,7 @@ where
// performance than with the 2nd method.
//
// All methods were benchmarked, and the 3rd showed best results. So we chose that one.
let mut tmp = mem::ManuallyDrop::new(ptr::read(&v[0]));
let tmp = mem::ManuallyDrop::new(ptr::read(&v[0]));
// Intermediate state of the insertion process is always tracked by `hole`, which
// serves two purposes:
@ -904,7 +904,7 @@ where
// If `is_less` panics at any point during the process, `hole` will get dropped and
// fill the hole in `v` with `tmp`, thus ensuring that `v` still holds every object it
// initially held exactly once.
let mut hole = InsertionHole { src: &mut *tmp, dest: &mut v[1] };
let mut hole = InsertionHole { src: &*tmp, dest: &mut v[1] };
ptr::copy_nonoverlapping(&v[1], &mut v[0], 1);
for i in 2..v.len() {
@ -920,7 +920,7 @@ where
// When dropped, copies from `src` into `dest`.
struct InsertionHole<T> {
src: *mut T,
src: *const T,
dest: *mut T,
}

View File

@ -1062,7 +1062,7 @@ impl String {
/// let mut output = String::new();
///
/// // Pre-reserve the memory, exiting if we can't
/// output.try_reserve(data.len())?;
/// output.try_reserve_exact(data.len())?;
///
/// // Now we know this can't OOM in the middle of our complex work
/// output.push_str(data);

View File

@ -123,6 +123,21 @@ pub fn spin_loop() {
}
}
// RISC-V platform spin loop hint implementation
{
// RISC-V RV32 and RV64 share the same PAUSE instruction, but they are located in different
// modules in `core::arch`.
// In this case, here we call `pause` function in each core arch module.
#[cfg(target_arch = "riscv32")]
{
crate::arch::riscv32::pause();
}
#[cfg(target_arch = "riscv64")]
{
crate::arch::riscv64::pause();
}
}
#[cfg(any(target_arch = "aarch64", all(target_arch = "arm", target_feature = "v6")))]
{
#[cfg(target_arch = "aarch64")]
@ -137,11 +152,6 @@ pub fn spin_loop() {
unsafe { crate::arch::arm::__yield() };
}
}
#[cfg(any(target_arch = "riscv32", target_arch = "riscv64"))]
{
crate::arch::riscv::pause();
}
}
/// An identity function that *__hints__* to the compiler to be maximally pessimistic about what

View File

@ -1504,14 +1504,14 @@ impl<T, E> Result<&T, E> {
/// # Examples
///
/// ```
/// #![feature(result_copied)]
/// let val = 12;
/// let x: Result<&i32, i32> = Ok(&val);
/// assert_eq!(x, Ok(&12));
/// let copied = x.copied();
/// assert_eq!(copied, Ok(12));
/// ```
#[unstable(feature = "result_copied", reason = "newly added", issue = "63168")]
#[inline]
#[stable(feature = "result_copied", since = "1.59.0")]
pub fn copied(self) -> Result<T, E>
where
T: Copy,
@ -1525,14 +1525,14 @@ impl<T, E> Result<&T, E> {
/// # Examples
///
/// ```
/// #![feature(result_cloned)]
/// let val = 12;
/// let x: Result<&i32, i32> = Ok(&val);
/// assert_eq!(x, Ok(&12));
/// let cloned = x.cloned();
/// assert_eq!(cloned, Ok(12));
/// ```
#[unstable(feature = "result_cloned", reason = "newly added", issue = "63168")]
#[inline]
#[stable(feature = "result_cloned", since = "1.59.0")]
pub fn cloned(self) -> Result<T, E>
where
T: Clone,
@ -1548,14 +1548,14 @@ impl<T, E> Result<&mut T, E> {
/// # Examples
///
/// ```
/// #![feature(result_copied)]
/// let mut val = 12;
/// let x: Result<&mut i32, i32> = Ok(&mut val);
/// assert_eq!(x, Ok(&mut 12));
/// let copied = x.copied();
/// assert_eq!(copied, Ok(12));
/// ```
#[unstable(feature = "result_copied", reason = "newly added", issue = "63168")]
#[inline]
#[stable(feature = "result_copied", since = "1.59.0")]
pub fn copied(self) -> Result<T, E>
where
T: Copy,
@ -1569,14 +1569,14 @@ impl<T, E> Result<&mut T, E> {
/// # Examples
///
/// ```
/// #![feature(result_cloned)]
/// let mut val = 12;
/// let x: Result<&mut i32, i32> = Ok(&mut val);
/// assert_eq!(x, Ok(&mut 12));
/// let cloned = x.cloned();
/// assert_eq!(cloned, Ok(12));
/// ```
#[unstable(feature = "result_cloned", reason = "newly added", issue = "63168")]
#[inline]
#[stable(feature = "result_cloned", since = "1.59.0")]
pub fn cloned(self) -> Result<T, E>
where
T: Clone,

View File

@ -12,7 +12,7 @@ use crate::ptr;
/// When dropped, copies from `src` into `dest`.
struct CopyOnDrop<T> {
src: *mut T,
src: *const T,
dest: *mut T,
}
@ -54,9 +54,9 @@ where
// Read the first element into a stack-allocated variable. If a following comparison
// operation panics, `hole` will get dropped and automatically write the element back
// into the slice.
let mut tmp = mem::ManuallyDrop::new(ptr::read(v.get_unchecked(0)));
let tmp = mem::ManuallyDrop::new(ptr::read(v.get_unchecked(0)));
let v = v.as_mut_ptr();
let mut hole = CopyOnDrop { src: &mut *tmp, dest: v.add(1) };
let mut hole = CopyOnDrop { src: &*tmp, dest: v.add(1) };
ptr::copy_nonoverlapping(v.add(1), v.add(0), 1);
for i in 2..len {
@ -100,9 +100,9 @@ where
// Read the last element into a stack-allocated variable. If a following comparison
// operation panics, `hole` will get dropped and automatically write the element back
// into the slice.
let mut tmp = mem::ManuallyDrop::new(ptr::read(v.get_unchecked(len - 1)));
let tmp = mem::ManuallyDrop::new(ptr::read(v.get_unchecked(len - 1)));
let v = v.as_mut_ptr();
let mut hole = CopyOnDrop { src: &mut *tmp, dest: v.add(len - 2) };
let mut hole = CopyOnDrop { src: &*tmp, dest: v.add(len - 2) };
ptr::copy_nonoverlapping(v.add(len - 2), v.add(len - 1), 1);
for i in (0..len - 2).rev() {
@ -498,8 +498,8 @@ where
// operation panics, the pivot will be automatically written back into the slice.
// SAFETY: `pivot` is a reference to the first element of `v`, so `ptr::read` is safe.
let mut tmp = mem::ManuallyDrop::new(unsafe { ptr::read(pivot) });
let _pivot_guard = CopyOnDrop { src: &mut *tmp, dest: pivot };
let tmp = mem::ManuallyDrop::new(unsafe { ptr::read(pivot) });
let _pivot_guard = CopyOnDrop { src: &*tmp, dest: pivot };
let pivot = &*tmp;
// Find the first pair of out-of-order elements.
@ -551,8 +551,8 @@ where
// Read the pivot into a stack-allocated variable for efficiency. If a following comparison
// operation panics, the pivot will be automatically written back into the slice.
// SAFETY: The pointer here is valid because it is obtained from a reference to a slice.
let mut tmp = mem::ManuallyDrop::new(unsafe { ptr::read(pivot) });
let _pivot_guard = CopyOnDrop { src: &mut *tmp, dest: pivot };
let tmp = mem::ManuallyDrop::new(unsafe { ptr::read(pivot) });
let _pivot_guard = CopyOnDrop { src: &*tmp, dest: pivot };
let pivot = &*tmp;
// Now partition the slice.

View File

@ -556,6 +556,7 @@ pub use std_detect::*;
pub use std_detect::{
is_aarch64_feature_detected, is_arm_feature_detected, is_mips64_feature_detected,
is_mips_feature_detected, is_powerpc64_feature_detected, is_powerpc_feature_detected,
is_riscv_feature_detected,
};
// Re-export macros defined in libcore.

@ -1 +1 @@
Subproject commit 0716b22e902207efabe46879cbf28d0189ab7924
Subproject commit 2adc17a5442614dbe34626fdd9b32de7c07b8086

View File

@ -1 +1 @@
{"attrs":[{"kind":{"variant":"Normal","fields":[{"path":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"crate_type","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"args":{"variant":"Eq","fields":[{"lo":0,"hi":0},{"kind":{"variant":"Interpolated","fields":[{"variant":"NtExpr","fields":[{"id":0,"kind":{"variant":"Lit","fields":[{"token":{"kind":"Str","symbol":"lib","suffix":null},"kind":{"variant":"Str","fields":["lib","Cooked"]},"span":{"lo":0,"hi":0}}]},"span":{"lo":0,"hi":0},"attrs":{"0":null},"tokens":{"0":[[{"variant":"Token","fields":[{"kind":{"variant":"Literal","fields":[{"kind":"Str","symbol":"lib","suffix":null}]},"span":{"lo":0,"hi":0}}]},"Alone"]]}}]}]},"span":{"lo":0,"hi":0}}]},"tokens":null},{"0":[[{"variant":"Token","fields":[{"kind":"Pound","span":{"lo":0,"hi":0}}]},"Joint"],[{"variant":"Token","fields":[{"kind":"Not","span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Delimited","fields":[{"open":{"lo":0,"hi":0},"close":{"lo":0,"hi":0}},"Bracket",{"0":[[{"variant":"Token","fields":[{"kind":{"variant":"Ident","fields":["crate_type",false]},"span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Token","fields":[{"kind":"Eq","span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Token","fields":[{"kind":{"variant":"Literal","fields":[{"kind":"Str","symbol":"lib","suffix":null}]},"span":{"lo":0,"hi":0}}]},"Alone"]]}]},"Alone"]]}]},"id":null,"style":"Inner","span":{"lo":0,"hi":0}}],"items":[{"attrs":[],"id":0,"span":{"lo":0,"hi":0},"vis":{"kind":"Inherited","span":{"lo":0,"hi":0},"tokens":null},"ident":{"name":"core","span":{"lo":0,"hi":0}},"kind":{"variant":"ExternCrate","fields":[null]},"tokens":null}],"span":{"lo":0,"hi":0},"is_placeholder":null}
{"attrs":[{"kind":{"variant":"Normal","fields":[{"path":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"crate_type","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"args":{"variant":"Eq","fields":[{"lo":0,"hi":0},{"kind":{"variant":"Interpolated","fields":[{"variant":"NtExpr","fields":[{"id":0,"kind":{"variant":"Lit","fields":[{"token":{"kind":"Str","symbol":"lib","suffix":null},"kind":{"variant":"Str","fields":["lib","Cooked"]},"span":{"lo":0,"hi":0}}]},"span":{"lo":0,"hi":0},"attrs":{"0":null},"tokens":{"0":[[{"variant":"Token","fields":[{"kind":{"variant":"Literal","fields":[{"kind":"Str","symbol":"lib","suffix":null}]},"span":{"lo":0,"hi":0}}]},"Alone"]]}}]}]},"span":{"lo":0,"hi":0}}]},"tokens":null},{"0":[[{"variant":"Token","fields":[{"kind":"Pound","span":{"lo":0,"hi":0}}]},"Joint"],[{"variant":"Token","fields":[{"kind":"Not","span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Delimited","fields":[{"open":{"lo":0,"hi":0},"close":{"lo":0,"hi":0}},"Bracket",{"0":[[{"variant":"Token","fields":[{"kind":{"variant":"Ident","fields":["crate_type",false]},"span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Token","fields":[{"kind":"Eq","span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Token","fields":[{"kind":{"variant":"Literal","fields":[{"kind":"Str","symbol":"lib","suffix":null}]},"span":{"lo":0,"hi":0}}]},"Alone"]]}]},"Alone"]]}]},"id":null,"style":"Inner","span":{"lo":0,"hi":0}}],"items":[{"attrs":[],"id":0,"span":{"lo":0,"hi":0},"vis":{"kind":"Inherited","span":{"lo":0,"hi":0},"tokens":null},"ident":{"name":"core","span":{"lo":0,"hi":0}},"kind":{"variant":"ExternCrate","fields":[null]},"tokens":null}],"span":{"lo":0,"hi":0},"id":0,"is_placeholder":false}

View File

@ -1 +1 @@
{"attrs":[{"kind":{"variant":"Normal","fields":[{"path":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"crate_type","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"args":{"variant":"Eq","fields":[{"lo":0,"hi":0},{"kind":{"variant":"Interpolated","fields":[{"variant":"NtExpr","fields":[{"id":0,"kind":{"variant":"Lit","fields":[{"token":{"kind":"Str","symbol":"lib","suffix":null},"kind":{"variant":"Str","fields":["lib","Cooked"]},"span":{"lo":0,"hi":0}}]},"span":{"lo":0,"hi":0},"attrs":{"0":null},"tokens":{"0":[[{"variant":"Token","fields":[{"kind":{"variant":"Literal","fields":[{"kind":"Str","symbol":"lib","suffix":null}]},"span":{"lo":0,"hi":0}}]},"Alone"]]}}]}]},"span":{"lo":0,"hi":0}}]},"tokens":null},{"0":[[{"variant":"Token","fields":[{"kind":"Pound","span":{"lo":0,"hi":0}}]},"Joint"],[{"variant":"Token","fields":[{"kind":"Not","span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Delimited","fields":[{"open":{"lo":0,"hi":0},"close":{"lo":0,"hi":0}},"Bracket",{"0":[[{"variant":"Token","fields":[{"kind":{"variant":"Ident","fields":["crate_type",false]},"span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Token","fields":[{"kind":"Eq","span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Token","fields":[{"kind":{"variant":"Literal","fields":[{"kind":"Str","symbol":"lib","suffix":null}]},"span":{"lo":0,"hi":0}}]},"Alone"]]}]},"Alone"]]}]},"id":null,"style":"Inner","span":{"lo":0,"hi":0}}],"items":[{"attrs":[{"kind":{"variant":"Normal","fields":[{"path":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"prelude_import","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"args":"Empty","tokens":null},null]},"id":null,"style":"Outer","span":{"lo":0,"hi":0}}],"id":0,"span":{"lo":0,"hi":0},"vis":{"kind":"Inherited","span":{"lo":0,"hi":0},"tokens":null},"ident":{"name":"","span":{"lo":0,"hi":0}},"kind":{"variant":"Use","fields":[{"prefix":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"{{root}}","span":{"lo":0,"hi":0}},"id":0,"args":null},{"ident":{"name":"std","span":{"lo":0,"hi":0}},"id":0,"args":null},{"ident":{"name":"prelude","span":{"lo":0,"hi":0}},"id":0,"args":null},{"ident":{"name":"rust_2015","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"kind":"Glob","span":{"lo":0,"hi":0}}]},"tokens":null},{"attrs":[{"kind":{"variant":"Normal","fields":[{"path":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"macro_use","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"args":"Empty","tokens":null},null]},"id":null,"style":"Outer","span":{"lo":0,"hi":0}}],"id":0,"span":{"lo":0,"hi":0},"vis":{"kind":"Inherited","span":{"lo":0,"hi":0},"tokens":null},"ident":{"name":"std","span":{"lo":0,"hi":0}},"kind":{"variant":"ExternCrate","fields":[null]},"tokens":null},{"attrs":[],"id":0,"span":{"lo":0,"hi":0},"vis":{"kind":"Inherited","span":{"lo":0,"hi":0},"tokens":null},"ident":{"name":"core","span":{"lo":0,"hi":0}},"kind":{"variant":"ExternCrate","fields":[null]},"tokens":null}],"span":{"lo":0,"hi":0},"is_placeholder":null}
{"attrs":[{"kind":{"variant":"Normal","fields":[{"path":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"crate_type","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"args":{"variant":"Eq","fields":[{"lo":0,"hi":0},{"kind":{"variant":"Interpolated","fields":[{"variant":"NtExpr","fields":[{"id":0,"kind":{"variant":"Lit","fields":[{"token":{"kind":"Str","symbol":"lib","suffix":null},"kind":{"variant":"Str","fields":["lib","Cooked"]},"span":{"lo":0,"hi":0}}]},"span":{"lo":0,"hi":0},"attrs":{"0":null},"tokens":{"0":[[{"variant":"Token","fields":[{"kind":{"variant":"Literal","fields":[{"kind":"Str","symbol":"lib","suffix":null}]},"span":{"lo":0,"hi":0}}]},"Alone"]]}}]}]},"span":{"lo":0,"hi":0}}]},"tokens":null},{"0":[[{"variant":"Token","fields":[{"kind":"Pound","span":{"lo":0,"hi":0}}]},"Joint"],[{"variant":"Token","fields":[{"kind":"Not","span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Delimited","fields":[{"open":{"lo":0,"hi":0},"close":{"lo":0,"hi":0}},"Bracket",{"0":[[{"variant":"Token","fields":[{"kind":{"variant":"Ident","fields":["crate_type",false]},"span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Token","fields":[{"kind":"Eq","span":{"lo":0,"hi":0}}]},"Alone"],[{"variant":"Token","fields":[{"kind":{"variant":"Literal","fields":[{"kind":"Str","symbol":"lib","suffix":null}]},"span":{"lo":0,"hi":0}}]},"Alone"]]}]},"Alone"]]}]},"id":null,"style":"Inner","span":{"lo":0,"hi":0}}],"items":[{"attrs":[{"kind":{"variant":"Normal","fields":[{"path":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"prelude_import","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"args":"Empty","tokens":null},null]},"id":null,"style":"Outer","span":{"lo":0,"hi":0}}],"id":0,"span":{"lo":0,"hi":0},"vis":{"kind":"Inherited","span":{"lo":0,"hi":0},"tokens":null},"ident":{"name":"","span":{"lo":0,"hi":0}},"kind":{"variant":"Use","fields":[{"prefix":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"{{root}}","span":{"lo":0,"hi":0}},"id":0,"args":null},{"ident":{"name":"std","span":{"lo":0,"hi":0}},"id":0,"args":null},{"ident":{"name":"prelude","span":{"lo":0,"hi":0}},"id":0,"args":null},{"ident":{"name":"rust_2015","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"kind":"Glob","span":{"lo":0,"hi":0}}]},"tokens":null},{"attrs":[{"kind":{"variant":"Normal","fields":[{"path":{"span":{"lo":0,"hi":0},"segments":[{"ident":{"name":"macro_use","span":{"lo":0,"hi":0}},"id":0,"args":null}],"tokens":null},"args":"Empty","tokens":null},null]},"id":null,"style":"Outer","span":{"lo":0,"hi":0}}],"id":0,"span":{"lo":0,"hi":0},"vis":{"kind":"Inherited","span":{"lo":0,"hi":0},"tokens":null},"ident":{"name":"std","span":{"lo":0,"hi":0}},"kind":{"variant":"ExternCrate","fields":[null]},"tokens":null},{"attrs":[],"id":0,"span":{"lo":0,"hi":0},"vis":{"kind":"Inherited","span":{"lo":0,"hi":0},"tokens":null},"ident":{"name":"core","span":{"lo":0,"hi":0}},"kind":{"variant":"ExternCrate","fields":[null]},"tokens":null}],"span":{"lo":0,"hi":0},"id":0,"is_placeholder":false}

@ -1 +1 @@
Subproject commit 68319187d63707fa36d7c215ed0e444e87d9652a
Subproject commit 8e9ccbf97a70259b6c6576e8fd7d77d28238737e