---

yaml
---
r: 274951
b: refs/heads/stable
c: 3a254fe
h: refs/heads/master
i:
  274949: 6427bd2
  274947: 983056d
  274943: 824be1d

Author: bors

[refs]

@@ -29,7 +29,7 @@ refs/heads/tmp: e06d2ad9fcd5027bcaac5b08fc9aa39a49d0ecd3
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f
 refs/tags/homu-tmp: c0221c8897db309a79990367476177b1230bb264
 refs/tags/1.0.0-beta: 8cbb92b53468ee2b0c2d3eeb8567005953d40828
-refs/heads/stable: 999051dbe32cc77c76036ea947ec38ecca20a8b7
+refs/heads/stable: 3a254fe4bd10f630da76e89cbdc1275413a189d8
 refs/tags/1.0.0: 55bd4f8ff2b323f317ae89e254ce87162d52a375
 refs/tags/1.1.0: bc3c16f09287e5545c1d3f76b7abd54f2eca868b
 refs/tags/1.2.0: f557861f822c34f07270347b94b5280de20a597e

branches/stable/.gitignore

@@ -17,6 +17,7 @@
 *.elc
 *.epub
 *.exe
+*.pdb
 *.fn
 *.html
 *.kdev4

branches/stable/mk/cfg/i586-unknown-linux-gnu.mk

@@ -0,0 +1,23 @@
+# i586-unknown-linux-gnu configuration
+CC_i586-unknown-linux-gnu=$(CC)
+CXX_i586-unknown-linux-gnu=$(CXX)
+CPP_i586-unknown-linux-gnu=$(CPP)
+AR_i586-unknown-linux-gnu=$(AR)
+CFG_LIB_NAME_i586-unknown-linux-gnu=lib$(1).so
+CFG_STATIC_LIB_NAME_i586-unknown-linux-gnu=lib$(1).a
+CFG_LIB_GLOB_i586-unknown-linux-gnu=lib$(1)-*.so
+CFG_LIB_DSYM_GLOB_i586-unknown-linux-gnu=lib$(1)-*.dylib.dSYM
+CFG_JEMALLOC_CFLAGS_i586-unknown-linux-gnu := -m32 $(CFLAGS)
+CFG_GCCISH_CFLAGS_i586-unknown-linux-gnu := -Wall -Werror -g -fPIC -m32 $(CFLAGS)
+CFG_GCCISH_CXXFLAGS_i586-unknown-linux-gnu := -fno-rtti $(CXXFLAGS)
+CFG_GCCISH_LINK_FLAGS_i586-unknown-linux-gnu := -shared -fPIC -ldl -pthread  -lrt -g -m32
+CFG_GCCISH_DEF_FLAG_i586-unknown-linux-gnu := -Wl,--export-dynamic,--dynamic-list=
+CFG_LLC_FLAGS_i586-unknown-linux-gnu :=
+CFG_INSTALL_NAME_i586-unknown-linux-gnu =
+CFG_EXE_SUFFIX_i586-unknown-linux-gnu =
+CFG_WINDOWSY_i586-unknown-linux-gnu :=
+CFG_UNIXY_i586-unknown-linux-gnu := 1
+CFG_LDPATH_i586-unknown-linux-gnu :=
+CFG_RUN_i586-unknown-linux-gnu=$(2)
+CFG_RUN_TARG_i586-unknown-linux-gnu=$(call CFG_RUN_i586-unknown-linux-gnu,,$(2))
+CFG_GNU_TRIPLE_i586-unknown-linux-gnu := i586-unknown-linux-gnu

branches/stable/mk/rt.mk

@@ -148,7 +148,15 @@ ifeq ($$(CFG_WINDOWSY_$(1)),1)
 else ifeq ($(OSTYPE_$(1)), apple-ios)
   JEMALLOC_ARGS_$(1) := --disable-tls
 else ifeq ($(findstring android, $(OSTYPE_$(1))), android)
-  JEMALLOC_ARGS_$(1) := --disable-tls
+  # We force android to have prefixed symbols because apparently replacement of
+  # the libc allocator doesn't quite work. When this was tested (unprefixed
+  # symbols), it was found that the `realpath` function in libc would allocate
+  # with libc malloc (not jemalloc malloc), and then the standard library would
+  # free with jemalloc free, causing a segfault.
+  #
+  # If the test suite passes, however, without symbol prefixes then we should be
+  # good to go!
+  JEMALLOC_ARGS_$(1) := --disable-tls --with-jemalloc-prefix=je_
 endif
 
 ifdef CFG_ENABLE_DEBUG_JEMALLOC
@@ -186,7 +194,7 @@ JEMALLOC_LOCAL_$(1) := $$(JEMALLOC_BUILD_DIR_$(1))/lib/$$(JEMALLOC_REAL_NAME_$(1
 $$(JEMALLOC_LOCAL_$(1)): $$(JEMALLOC_DEPS) $$(MKFILE_DEPS)
 	@$$(call E, make: jemalloc)
 	cd "$$(JEMALLOC_BUILD_DIR_$(1))"; "$(S)src/jemalloc/configure" \
-		$$(JEMALLOC_ARGS_$(1)) --with-jemalloc-prefix=je_ $(CFG_JEMALLOC_FLAGS) \
+		$$(JEMALLOC_ARGS_$(1)) $(CFG_JEMALLOC_FLAGS) \
 		--build=$$(CFG_GNU_TRIPLE_$(CFG_BUILD)) --host=$$(CFG_GNU_TRIPLE_$(1)) \
 		CC="$$(CC_$(1)) $$(CFG_JEMALLOC_CFLAGS_$(1))" \
 		AR="$$(AR_$(1))" \

branches/stable/mk/tests.mk

@@ -1071,7 +1071,8 @@ $(3)/test/run-make/%-$(1)-T-$(2)-H-$(3).ok: \
 	    $$(S) \
 	    $(3) \
 	    "$$(LLVM_LIBDIR_RUSTFLAGS_$(3))" \
-	    "$$(LLVM_ALL_COMPONENTS_$(3))"
+	    "$$(LLVM_ALL_COMPONENTS_$(3))" \
+	    "$$(LLVM_CXXFLAGS_$(3))"
 	@touch -r [email protected]_time $$@ && rm [email protected]_time
 else
 # FIXME #11094 - The above rule doesn't work right for multiple targets

branches/stable/src/doc/book/concurrency.md

@@ -286,6 +286,8 @@ use std::sync::mpsc;
 fn main() {
     let data = Arc::new(Mutex::new(0));
 
+    // `tx` is the "transmitter" or "sender"
+    // `rx` is the "receiver"
     let (tx, rx) = mpsc::channel();
 
     for _ in 0..10 {

branches/stable/src/doc/book/documentation.md

@@ -319,23 +319,23 @@ our source code:
 ```text
     First, we set `x` to five:
 
-    ```text
+    ```rust
     let x = 5;
     # let y = 6;
     # println!("{}", x + y);
     ```
 
     Next, we set `y` to six:
 
-    ```text
+    ```rust
     # let x = 5;
     let y = 6;
     # println!("{}", x + y);
     ```
 
     Finally, we print the sum of `x` and `y`:
 
-    ```text
+    ```rust
     # let x = 5;
     # let y = 6;
     println!("{}", x + y);

branches/stable/src/doc/book/functions.md

@@ -68,7 +68,7 @@ You get this error:
 
 ```text
 expected one of `!`, `:`, or `@`, found `)`
-fn print_number(x, y) {
+fn print_sum(x, y) {
 ```
 
 This is a deliberate design decision. While full-program inference is possible,

branches/stable/src/doc/book/ownership.md

@@ -51,10 +51,11 @@ fn foo() {
 }
 ```
 
-When `v` comes into scope, a new [vector] is created, and it allocates space on
-[the heap][heap] for each of its elements. When `v` goes out of scope at the
-end of `foo()`, Rust will clean up everything related to the vector, even the
-heap-allocated memory. This happens deterministically, at the end of the scope.
+When `v` comes into scope, a new [vector] is created on [the stack][stack],
+and it allocates space on [the heap][heap] for its elements. When `v` goes out
+of scope at the end of `foo()`, Rust will clean up everything related to the
+vector, even the heap-allocated memory. This happens deterministically, at the
+end of the scope.
 
 We'll cover [vectors] in detail later in this chapter; we only use them
 here as an example of a type that allocates space on the heap at runtime. They
@@ -67,6 +68,7 @@ Vectors have a [generic type][generics] `Vec<T>`, so in this example `v` will ha
 [arrays]: primitive-types.html#arrays
 [vectors]: vectors.html
 [heap]: the-stack-and-the-heap.html
+[stack]: the-stack-and-the-heap.html#the-stack
 [bindings]: variable-bindings.html
 [generics]: generics.html
 

branches/stable/src/doc/book/strings.md

@@ -39,7 +39,7 @@ The second, with a `\`, trims the spaces and the newline:
 
 ```rust
 let s = "foo\
-    bar"; 
+    bar";
 
 assert_eq!("foobar", s);
 ```

branches/stable/src/doc/book/using-rust-without-the-standard-library.md

@@ -11,7 +11,7 @@ don’t want to use the standard library via an attribute: `#![no_std]`.
 > For details on binaries without the standard library, see [the nightly
 > chapter on `#![no_std]`](no-stdlib.html)
 
-To use `#![no_std]`, add a it to your crate root:
+To use `#![no_std]`, add it to your crate root:
 
 ```rust
 #![no_std]

branches/stable/src/doc/uptack.tex

@@ -46,6 +46,7 @@ def convert_path_spec(name, value):
 putenv('RUSTC', os.path.abspath(sys.argv[3]))
 putenv('TMPDIR', os.path.abspath(sys.argv[4]))
 putenv('CC', sys.argv[5] + ' ' + sys.argv[6])
+putenv('CFLAGS', sys.argv[6])
 putenv('RUSTDOC', os.path.abspath(sys.argv[7]))
 filt = sys.argv[8]
 putenv('LD_LIB_PATH_ENVVAR', sys.argv[9])
@@ -55,6 +56,7 @@ def convert_path_spec(name, value):
 putenv('S', os.path.abspath(sys.argv[13]))
 putenv('RUSTFLAGS', sys.argv[15])
 putenv('LLVM_COMPONENTS', sys.argv[16])
+putenv('LLVM_CXXFLAGS', sys.argv[17])
 putenv('PYTHON', sys.executable)
 os.putenv('TARGET', target_triple)
 

branches/stable/src/etc/maketest.py

@@ -50,7 +50,7 @@ fn main() {
        .env("AR", &ar)
        .env("RANLIB", format!("{} s", ar.display()));
 
-    if target.contains("windows-gnu") {
+    if target.contains("windows") {
         // A bit of history here, this used to be --enable-lazy-lock added in
         // #14006 which was filed with jemalloc in jemalloc/jemalloc#83 which
         // was also reported to MinGW:
@@ -72,7 +72,19 @@ fn main() {
         //        locking, but requires passing an option due to a historical
         //        default with jemalloc.
         cmd.arg("--disable-lazy-lock");
-    } else if target.contains("ios") || target.contains("android") {
+    } else if target.contains("ios") {
+        cmd.arg("--disable-tls");
+    } else if target.contains("android") {
+        // We force android to have prefixed symbols because apparently
+        // replacement of the libc allocator doesn't quite work. When this was
+        // tested (unprefixed symbols), it was found that the `realpath`
+        // function in libc would allocate with libc malloc (not jemalloc
+        // malloc), and then the standard library would free with jemalloc free,
+        // causing a segfault.
+        //
+        // If the test suite passes, however, without symbol prefixes then we
+        // should be good to go!
+        cmd.arg("--with-jemalloc-prefix=je_");
         cmd.arg("--disable-tls");
     }
 
@@ -82,7 +94,6 @@ fn main() {
 
     // Turn off broken quarantine (see jemalloc/jemalloc#161)
     cmd.arg("--disable-fill");
-    cmd.arg("--with-jemalloc-prefix=je_");
     cmd.arg(format!("--host={}", build_helper::gnu_target(&target)));
     cmd.arg(format!("--build={}", build_helper::gnu_target(&host)));