Auto merge of #23107 - Manishearth:rollup, r=alexcrichton

Author: bors

mk/main.mk

@@ -18,7 +18,7 @@ CFG_RELEASE_NUM=1.0.0
 # An optional number to put after the label, e.g. '.2' -> '-beta.2'
 # NB Make sure it starts with a dot to conform to semver pre-release
 # versions (section 9)
-CFG_PRERELEASE_VERSION=.2
+CFG_PRERELEASE_VERSION=
 
 CFG_FILENAME_EXTRA=4e7c5e5c
 
@@ -30,8 +30,8 @@ CFG_PACKAGE_VERS=$(CFG_RELEASE_NUM)
 CFG_DISABLE_UNSTABLE_FEATURES=1
 endif
 ifeq ($(CFG_RELEASE_CHANNEL),beta)
-CFG_RELEASE=$(CFG_RELEASE_NUM)-alpha$(CFG_PRERELEASE_VERSION)
-CFG_PACKAGE_VERS=$(CFG_RELEASE_NUM)-alpha$(CFG_PRERELEASE_VERSION)
+CFG_RELEASE=$(CFG_RELEASE_NUM)-beta(CFG_PRERELEASE_VERSION)
+CFG_PACKAGE_VERS=$(CFG_RELEASE_NUM)-beta(CFG_PRERELEASE_VERSION)
 CFG_DISABLE_UNSTABLE_FEATURES=1
 endif
 ifeq ($(CFG_RELEASE_CHANNEL),nightly)

mk/tests.mk

@@ -590,7 +590,7 @@ TEST_SREQ$(1)_T_$(2)_H_$(3) = \
 
 # The tests select when to use debug configuration on their own;
 # remove directive, if present, from CFG_RUSTC_FLAGS (issue #7898).
-CTEST_RUSTC_FLAGS := $$(subst --cfg ndebug,,$$(CFG_RUSTC_FLAGS))
+CTEST_RUSTC_FLAGS := $$(subst -C debug-assertions,,$$(CFG_RUSTC_FLAGS))
 
 # The tests cannot be optimized while the rest of the compiler is optimized, so
 # filter out the optimization (if any) from rustc and then figure out if we need

src/compiletest/compiletest.rs

@@ -22,10 +22,9 @@
 #![feature(unicode)]
 #![feature(core)]
 #![feature(path)]
-#![feature(os)]
 #![feature(io)]
-#![feature(fs)]
 #![feature(net)]
+#![feature(path_ext)]
 
 #![deny(warnings)]
 

src/compiletest/runtest.rs

@@ -20,7 +20,6 @@ use procsrv;
 use util::logv;
 
 use std::env;
-use std::ffi::OsStr;
 use std::fmt;
 use std::fs::{self, File};
 use std::io::BufReader;
@@ -1323,7 +1322,7 @@ fn make_exe_name(config: &Config, testfile: &Path) -> PathBuf {
     let mut f = output_base_name(config, testfile);
     if !env::consts::EXE_SUFFIX.is_empty() {
         let mut fname = f.file_name().unwrap().to_os_string();
-        fname.push_os_str(OsStr::from_str(env::consts::EXE_SUFFIX));
+        fname.push(env::consts::EXE_SUFFIX);
         f.set_file_name(&fname);
     }
     f
@@ -1433,7 +1432,7 @@ fn make_out_name(config: &Config, testfile: &Path, extension: &str) -> PathBuf {
 fn aux_output_dir_name(config: &Config, testfile: &Path) -> PathBuf {
     let f = output_base_name(config, testfile);
     let mut fname = f.file_name().unwrap().to_os_string();
-    fname.push_os_str(OsStr::from_str("libaux"));
+    fname.push("libaux");
     f.with_file_name(&fname)
 }
 
@@ -1647,8 +1646,8 @@ fn append_suffix_to_stem(p: &Path, suffix: &str) -> PathBuf {
         p.to_path_buf()
     } else {
         let mut stem = p.file_stem().unwrap().to_os_string();
-        stem.push_os_str(OsStr::from_str("-"));
-        stem.push_os_str(OsStr::from_str(suffix));
+        stem.push("-");
+        stem.push(suffix);
         p.with_file_name(&stem)
     }
 }

src/doc/guide-tasks.md

@@ -1,4 +1,4 @@
 % The (old) Rust Threads and Communication Guide
 
 This content has moved into
-[the Rust Programming Language book](book/tasks.html).
+[the Rust Programming Language book](book/concurrency.html).

src/doc/trpl/arrays-vectors-and-slices.md

@@ -60,6 +60,12 @@ let v = vec![1, 2, 3]; // v: Vec<i32>
 brackets `[]` with `vec!`. Rust allows you to use either in either situation,
 this is just convention.)
 
+There's an alternate form of `vec!` for repeating an initial value:
+
+```
+let v = vec![0; 10]; // ten zeroes
+```
+
 You can get the length of, iterate over, and subscript vectors just like
 arrays. In addition, (mutable) vectors can grow automatically:
 

src/liballoc/lib.rs

@@ -56,6 +56,8 @@
 //! The [`heap`](heap/index.html) module defines the low-level interface to the
 //! default global allocator. It is not compatible with the libc allocator API.
 
+// Do not remove on snapshot creation. Needed for bootstrap. (Issue #22364)
+#![cfg_attr(stage0, feature(custom_attribute))]
 #![crate_name = "alloc"]
 #![unstable(feature = "alloc")]
 #![feature(staged_api)]

src/libarena/lib.rs

@@ -19,6 +19,8 @@
 //! arena but can only hold objects of a single type, and `Arena`, which is a
 //! more complex, slower arena which can hold objects of any type.
 
+// Do not remove on snapshot creation. Needed for bootstrap. (Issue #22364)
+#![cfg_attr(stage0, feature(custom_attribute))]
 #![crate_name = "arena"]
 #![unstable(feature = "rustc_private")]
 #![staged_api]

src/libcollections/lib.rs

@@ -12,7 +12,8 @@
 //!
 //! See [std::collections](../std/collections) for a detailed discussion of collections in Rust.
 
-
+// Do not remove on snapshot creation. Needed for bootstrap. (Issue #22364)
+#![cfg_attr(stage0, feature(custom_attribute))]
 #![crate_name = "collections"]
 #![unstable(feature = "collections")]
 #![staged_api]

src/libcollections/str.rs

@@ -1086,7 +1086,7 @@ pub trait StrExt: Index<RangeFull, Output = str> {
     ///
     /// let s = "中华Việt Nam";
     /// let mut i = s.len();
-    /// while i < 0 {
+    /// while i > 0 {
     ///     let CharRange {ch, next} = s.char_range_at_reverse(i);
     ///     println!("{}: {}", i, ch);
     ///     i = next;