Auto merge of #63428 - Centril:rollup-c2ru1z1, r=Centril

Rollup of 7 pull requests

Successful merges:

 - #63056 (Give built-in macros stable addresses in the standard library)
 - #63337 (Tweak mismatched types error)
 - #63350 (Use associated_type_bounds where applicable - closes #61738)
 - #63394 (Add test for issue 36804)
 - #63399 (More explicit diagnostic when using a `vec![]` in a pattern)
 - #63419 (check against more collisions for TypeId of fn pointer)
 - #63423 (Mention that tuple structs are private if any of their fields are)

Failed merges:

r? @ghost

2 files changed, 41 insertions, 23 deletions

diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
index 54abf72d307..ba80d1b7004 100644
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -238,6 +238,7 @@
 #![feature(arbitrary_self_types)]
 #![feature(array_error_internals)]
 #![feature(asm)]
+#![feature(associated_type_bounds)]
 #![feature(bind_by_move_pattern_guards)]
 #![feature(box_syntax)]
 #![feature(c_variadic)]
@@ -326,16 +327,6 @@ use prelude::v1::*;
 // Access to Bencher, etc.
 #[cfg(test)] extern crate test;
 
-// Re-export a few macros from core
-#[stable(feature = "rust1", since = "1.0.0")]
-pub use core::{assert_eq, assert_ne, debug_assert, debug_assert_eq, debug_assert_ne};
-#[stable(feature = "rust1", since = "1.0.0")]
-pub use core::{unreachable, unimplemented, write, writeln, todo};
-// FIXME: change this to `#[allow(deprecated)]` when we update nightly compiler.
-#[allow(deprecated_in_future)]
-#[stable(feature = "rust1", since = "1.0.0")]
-pub use core::r#try;
-
 #[allow(unused_imports)] // macros from `alloc` are not used on all platforms
 #[macro_use]
 extern crate alloc as alloc_crate;
@@ -520,33 +511,52 @@ mod std_detect;
 #[cfg(not(test))]
 pub use std_detect::detect;
 
-// Document built-in macros in the crate root for consistency with libcore and existing tradition.
-// FIXME: Attribute and derive macros are not reexported because rustdoc renders them
-// as reexports rather than as macros, and that's not what we want.
-#[cfg(rustdoc)]
+// Re-export macros defined in libcore.
+#[stable(feature = "rust1", since = "1.0.0")]
+#[allow(deprecated_in_future)]
+pub use core::{
+    // Stable
+    assert_eq,
+    assert_ne,
+    debug_assert_eq,
+    debug_assert_ne,
+    debug_assert,
+    r#try,
+    unimplemented,
+    unreachable,
+    write,
+    writeln,
+    // Unstable
+    todo,
+};
+
+// Re-export built-in macros defined through libcore.
+#[cfg(not(bootstrap))]
 #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
-pub use crate::prelude::v1::{
-    __rust_unstable_column,
-    asm,
+pub use core::{
+    // Stable
     assert,
     cfg,
     column,
     compile_error,
     concat,
-    concat_idents,
     env,
     file,
     format_args,
-    format_args_nl,
-    global_asm,
     include,
     include_bytes,
     include_str,
     line,
-    log_syntax,
     module_path,
     option_env,
     stringify,
+    // Unstable
+    __rust_unstable_column,
+    asm,
+    concat_idents,
+    format_args_nl,
+    global_asm,
+    log_syntax,
     trace_macros,
 };
 
diff --git a/src/libstd/sys/sgx/abi/usercalls/alloc.rs b/src/libstd/sys/sgx/abi/usercalls/alloc.rs
index c9ff53d0a4f..75dd0d429c2 100644
--- a/src/libstd/sys/sgx/abi/usercalls/alloc.rs
+++ b/src/libstd/sys/sgx/abi/usercalls/alloc.rs
@@ -522,7 +522,11 @@ impl<T: ?Sized> Drop for User<T> where T: UserSafe {
 impl<T: CoerceUnsized<U>, U> CoerceUnsized<UserRef<U>> for UserRef<T> {}
 
 #[unstable(feature = "sgx_platform", issue = "56975")]
-impl<T, I: SliceIndex<[T]>> Index<I> for UserRef<[T]> where [T]: UserSafe, I::Output: UserSafe {
+impl<T, I> Index<I> for UserRef<[T]>
+where
+    [T]: UserSafe,
+    I: SliceIndex<[T], Output: UserSafe>,
+{
     type Output = UserRef<I::Output>;
 
     #[inline]
@@ -538,7 +542,11 @@ impl<T, I: SliceIndex<[T]>> Index<I> for UserRef<[T]> where [T]: UserSafe, I::Ou
 }
 
 #[unstable(feature = "sgx_platform", issue = "56975")]
-impl<T, I: SliceIndex<[T]>> IndexMut<I> for UserRef<[T]> where [T]: UserSafe, I::Output: UserSafe {
+impl<T, I> IndexMut<I> for UserRef<[T]>
+where
+    [T]: UserSafe,
+    I: SliceIndex<[T], Output: UserSafe>,
+{
     #[inline]
     fn index_mut(&mut self, index: I) -> &mut UserRef<I::Output> {
         unsafe {