Drop cfg(bootstrap) code

src/bootstrap/lib.rs

@@ -1026,7 +1026,7 @@ impl Build {
     }
 
     fn llvm_link_tools_dynamically(&self, target: Interned<String>) -> bool {
-        (target.contains("linux-gnu") || target.contains("apple-darwin"))
+        target.contains("linux-gnu") || target.contains("apple-darwin")
     }
 
     /// Returns the `version` string associated with this compiler for Rust

src/libcore/fmt/mod.rs

@@ -1080,18 +1080,7 @@ fn run(fmt: &mut Formatter<'_>, arg: &rt::v1::Argument, args: &[ArgumentV1<'_>])
     fmt.precision = getcount(args, &arg.format.precision);
 
     // Extract the correct argument
-    let value = {
-        #[cfg(bootstrap)]
-        {
-            match arg.position {
-                rt::v1::Position::At(i) => args[i],
-            }
-        }
-        #[cfg(not(bootstrap))]
-        {
-            args[arg.position]
-        }
-    };
+    let value = args[arg.position];
 
     // Then actually do some printing
     (value.formatter)(value.value, fmt)

src/libcore/fmt/rt/v1.rs

@@ -7,9 +7,6 @@
 
 #[derive(Copy, Clone)]
 pub struct Argument {
-    #[cfg(bootstrap)]
-    pub position: Position,
-    #[cfg(not(bootstrap))]
     pub position: usize,
     pub format: FormatSpec,
 }
@@ -42,9 +39,3 @@ pub enum Count {
     Param(usize),
     Implied,
 }
-
-#[cfg(bootstrap)]
-#[derive(Copy, Clone)]
-pub enum Position {
-    At(usize),
-}

src/libcore/lib.rs

@@ -133,7 +133,6 @@
 #![feature(associated_type_bounds)]
 #![feature(const_type_id)]
 #![feature(const_caller_location)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![feature(assoc_int_consts)]
 
 #[prelude_import]

src/libcore/tests/lib.rs

@@ -18,7 +18,6 @@
 #![feature(range_is_empty)]
 #![feature(raw)]
 #![feature(saturating_neg)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![feature(sort_internals)]
 #![feature(slice_partition_at_index)]
 #![feature(specialization)]

src/libpanic_unwind/seh.rs

@@ -282,12 +282,7 @@ pub unsafe fn panic(data: Box<dyn Any + Send>) -> u32 {
     //
     // In any case, we basically need to do something like this until we can
     // express more operations in statics (and we may never be able to).
-    if !cfg!(bootstrap) {
-        atomic_store(
-            &mut THROW_INFO.pmfnUnwind as *mut _ as *mut u32,
-            ptr!(exception_cleanup) as u32,
-        );
-    }
+    atomic_store(&mut THROW_INFO.pmfnUnwind as *mut _ as *mut u32, ptr!(exception_cleanup) as u32);
     atomic_store(
         &mut THROW_INFO.pCatchableTypeArray as *mut _ as *mut u32,
         ptr!(&CATCHABLE_TYPE_ARRAY as *const _) as u32,
@@ -300,12 +295,10 @@ pub unsafe fn panic(data: Box<dyn Any + Send>) -> u32 {
         &mut CATCHABLE_TYPE.pType as *mut _ as *mut u32,
         ptr!(&TYPE_DESCRIPTOR as *const _) as u32,
     );
-    if !cfg!(bootstrap) {
     atomic_store(
         &mut CATCHABLE_TYPE.copyFunction as *mut _ as *mut u32,
         ptr!(exception_copy) as u32,
     );
-    }
 
     extern "system" {
         #[unwind(allowed)]

src/librustc/benches/lib.rs

@@ -1,4 +1,3 @@
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![feature(test)]
 
 extern crate test;

src/librustc/lib.rs

@@ -42,7 +42,6 @@
 #![feature(optin_builtin_traits)]
 #![feature(option_expect_none)]
 #![feature(range_is_empty)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![feature(specialization)]
 #![feature(unboxed_closures)]
 #![feature(thread_local)]

src/librustc_ast_passes/lib.rs

@@ -2,8 +2,6 @@
 //! parsed by `rustc_parse` and then lowered, after the passes in this crate,
 //! by `rustc_ast_lowering`.
 
-#![cfg_attr(bootstrap, feature(slice_patterns))]
-
 pub mod ast_validation;
 pub mod feature_gate;
 pub mod show_span;

src/librustc_codegen_ssa/lib.rs

@@ -4,7 +4,6 @@
 #![feature(box_syntax)]
 #![feature(core_intrinsics)]
 #![feature(libc)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![feature(stmt_expr_attributes)]
 #![feature(try_blocks)]
 #![feature(in_band_lifetimes)]

src/librustc_metadata/lib.rs

@@ -10,7 +10,6 @@
 #![feature(proc_macro_internals)]
 #![feature(proc_macro_quote)]
 #![feature(rustc_private)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![feature(specialization)]
 #![feature(stmt_expr_attributes)]
 #![recursion_limit = "256"]

src/librustc_mir/lib.rs

@@ -7,7 +7,6 @@ Rust MIR: a lowered representation of Rust. Also: an experiment!
 #![feature(nll)]
 #![feature(in_band_lifetimes)]
 #![feature(inner_deref)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![feature(bool_to_option)]
 #![feature(box_patterns)]
 #![feature(box_syntax)]

src/librustc_mir_build/lib.rs

@@ -5,7 +5,6 @@
 #![feature(box_patterns)]
 #![feature(box_syntax)]
 #![feature(crate_visibility_modifier)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![feature(bool_to_option)]
 #![recursion_limit = "256"]
 

src/librustc_parse/lib.rs

@@ -2,7 +2,6 @@
 
 #![feature(bool_to_option)]
 #![feature(crate_visibility_modifier)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 
 use syntax::ast;
 use syntax::print::pprust;

src/librustc_passes/lib.rs

@@ -7,7 +7,6 @@
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/")]
 #![feature(in_band_lifetimes)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![recursion_limit = "256"]
 
 #[macro_use]

src/librustc_resolve/lib.rs

@@ -11,7 +11,6 @@
 #![feature(crate_visibility_modifier)]
 #![feature(label_break_value)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![recursion_limit = "256"]
 
 pub use rustc_hir::def::{Namespace, PerNS};

src/librustc_target/lib.rs

@@ -11,7 +11,6 @@
 #![feature(box_syntax)]
 #![feature(bool_to_option)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 
 #[macro_use]
 extern crate log;

src/librustc_ty/lib.rs

@@ -8,7 +8,6 @@
 #![feature(bool_to_option)]
 #![feature(in_band_lifetimes)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![recursion_limit = "256"]
 
 #[macro_use]

src/librustc_typeck/lib.rs

@@ -64,7 +64,6 @@ This API is completely unstable and subject to change.
 #![feature(exhaustive_patterns)]
 #![feature(in_band_lifetimes)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![feature(try_blocks)]
 #![feature(never_type)]
 #![recursion_limit = "256"]

src/libstd/lib.rs

@@ -294,7 +294,6 @@
 #![feature(shrink_to)]
 #![feature(slice_concat_ext)]
 #![feature(slice_internals)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![feature(specialization)]
 #![feature(staged_api)]
 #![feature(std_internals)]

src/libstd/macros.rs

@@ -4,27 +4,6 @@
 //! library. Each macro is available for use when linking against the standard
 //! library.
 
-#[cfg(bootstrap)]
-#[doc(include = "../libcore/macros/panic.md")]
-#[macro_export]
-#[stable(feature = "rust1", since = "1.0.0")]
-#[allow_internal_unstable(libstd_sys_internals)]
-macro_rules! panic {
-    () => ({
-        $crate::panic!("explicit panic")
-    });
-    ($msg:expr) => ({
-        $crate::rt::begin_panic($msg, &($crate::file!(), $crate::line!(), $crate::column!()))
-    });
-    ($msg:expr,) => ({
-        $crate::panic!($msg)
-    });
-    ($fmt:expr, $($arg:tt)+) => ({
-        $crate::rt::begin_panic_fmt(&$crate::format_args!($fmt, $($arg)+))
-    });
-}
-
-#[cfg(not(bootstrap))]
 #[doc(include = "../libcore/macros/panic.md")]
 #[macro_export]
 #[stable(feature = "rust1", since = "1.0.0")]

src/libstd/panicking.rs

@@ -391,7 +391,7 @@ pub fn begin_panic_handler(info: &PanicInfo<'_>) -> ! {
 #[cfg_attr(not(feature = "panic_immediate_abort"), inline(never))]
 #[cold]
 #[track_caller]
-pub fn begin_panic<M: Any + Send>(msg: M, #[cfg(bootstrap)] _: &(&str, u32, u32)) -> ! {
+pub fn begin_panic<M: Any + Send>(msg: M) -> ! {
     if cfg!(feature = "panic_immediate_abort") {
         unsafe { intrinsics::abort() }
     }

src/libsyntax/lib.rs

@@ -13,7 +13,6 @@
 #![feature(label_break_value)]
 #![feature(nll)]
 #![feature(try_trait)]
-#![cfg_attr(bootstrap, feature(slice_patterns))]
 #![feature(unicode_internals)]
 #![recursion_limit = "256"]