---

yaml
---
r: 212415
b: refs/heads/master
c: 2228ce1
h: refs/heads/master
i:
  212413: 221aeab
  212411: 53a7b32
  212407: 77edcb4
  212399: 0d0bad5
  212383: a323dc4
  212351: eb52f2f
v: v3

Author: bors

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 6c452bebc5432ff5da26746dbd397615f4b7a804
+refs/heads/master: 2228ce10c6d83c17b6346396aa7c7ef9082f1c04
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: ba0e1cd8147d452c356aacb29fb87568ca26f111
 refs/heads/try: 1864973ae17213c5a58c4dd3f9af6d1b6c7d2e05

trunk/AUTHORS.txt

@@ -338,7 +338,7 @@ Hajime Morrita <[email protected]>
 Hanno Braun <[email protected]>
 Harry Marr <[email protected]>
 Heather <[email protected]>
-Heejong Ahn <[email protected]
+Heejong Ahn <[email protected]>
 Henrik Schopmans <[email protected]>
 Herman J. Radtke III <[email protected]>
 HeroesGrave <[email protected]>

trunk/CONTRIBUTING.md

@@ -84,7 +84,8 @@ feature. We use the 'fork and pull' model described there.
 Please make pull requests against the `master` branch.
 
 All pull requests are reviewed by another person. We have a bot,
-@rust-highfive, that will automatically assign a random person to review your request.
+@rust-highfive, that will automatically assign a random person to review your
+request.
 
 If you want to request that a specific person reviews your pull request,
 you can add an `r?` to the message. For example, Steve usually reviews
@@ -124,6 +125,10 @@ To save @bors some work, and to get small changes through more quickly, when
 the other rollup-eligible patches too, and they'll get tested and merged at
 the same time.
 
+To find documentation-related issues, sort by the [A-docs label][adocs]. 
+
+[adocs]: https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AA-docs
+
 ## Issue Triage
 
 Sometimes, an issue will stay open, even though the bug has been fixed. And
@@ -132,8 +137,40 @@ meantime.
 
 It can be helpful to go through older bug reports and make sure that they are
 still valid. Load up an older issue, double check that it's still true, and
-leave a comment letting us know if it is or is not. The [least recently updated sort][lru] is good for finding issues like this.
+leave a comment letting us know if it is or is not. The [least recently
+updated sort][lru] is good for finding issues like this.
+
+Contributors with sufficient permissions on the Rust repo can help by adding
+labels to triage issues:
+
+* Yellow, **A**-prefixed labels state which **area** of the project an issue
+  relates to. 
+
+* Magenta, **B**-prefixed labels identify bugs which **belong** elsewhere. 
+
+* Green, **E**-prefixed labels explain the level of **experience** necessary
+  to fix the issue.
+
+* Red, **I**-prefixed labels indicate the **importance** of the issue. The
+  [I-nominated][inom] label indicates that an issue has been nominated for
+  prioritizing at the next triage meeting. 
+
+* Orange, **P**-prefixed labels indicate a bug's **priority**. These labels
+  are only assigned during triage meetings, and replace the [I-nominated][inom]
+  label. 
+
+* Blue, **T**-prefixed bugs denote which **team** the issue belongs to.
+
+* Dark blue, **beta-** labels track changes which need to be backported into
+  the beta branches. 
+ 
+* The purple **metabug** label marks lists of bugs collected by other
+  categories.  
+
+If you're looking for somewhere to start, check out the [E-easy][eeasy] tag. 
 
+[inom]: https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AI-nominated
+[eeasy]: https://github.com/rust-lang/rust/issues?q=is%3Aopen+is%3Aissue+label%3AE-easy
 [lru]: https://github.com/rust-lang/rust/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-asc
 
 ## Out-of-tree Contributions

trunk/configure

@@ -565,7 +565,7 @@ opt rpath 0 "build rpaths into rustc itself"
 # This is used by the automation to produce single-target nightlies
 opt dist-host-only 0 "only install bins for the host architecture"
 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
-opt llvm-version-check 1 "don't check if the LLVM version is supported, build anyway"
+opt llvm-version-check 1 "check if the LLVM version is supported, build anyway"
 
 # Optimization and debugging options. These may be overridden by the release channel, etc.
 opt_nosave optimize 1 "build optimized rust code"
@@ -582,6 +582,7 @@ valopt sysconfdir "/etc" "install system configuration files"
 valopt datadir "${CFG_PREFIX}/share" "install data"
 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
 valopt llvm-root "" "set LLVM root"
+valopt python "" "set path to python"
 valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
 valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
 valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path"
@@ -593,6 +594,7 @@ valopt musl-root "/usr/local" "MUSL root installation directory"
 opt_nosave manage-submodules 1 "let the build manage the git submodules"
 opt_nosave clang 0 "prefer clang to gcc for building the runtime"
 opt_nosave jemalloc 1 "build liballoc with jemalloc"
+opt elf-tls 1 "elf thread local storage on platforms where supported"
 
 valopt_nosave prefix "/usr/local" "set installation prefix"
 valopt_nosave local-rust-root "/usr/local" "set prefix for local rust binary"
@@ -694,7 +696,9 @@ putvar CFG_BOOTSTRAP_KEY
 step_msg "looking for build programs"
 
 probe_need CFG_CURLORWGET  curl wget
-probe_need CFG_PYTHON      python2.7 python2.6 python2 python
+if [ -z "$CFG_PYTHON_PROVIDED" ]; then
+    probe_need CFG_PYTHON      python2.7 python2.6 python2 python
+fi
 
 python_version=$($CFG_PYTHON -V 2>&1)
 if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
@@ -848,13 +852,6 @@ then
     putvar CFG_LOCAL_RUST_ROOT
 fi
 
-# Force freebsd to build with clang; gcc doesn't like us there
-if [ $CFG_OSTYPE = unknown-freebsd ]
-then
-    step_msg "on FreeBSD, forcing use of clang"
-    CFG_ENABLE_CLANG=1
-fi
-
 # Force bitrig to build with clang; gcc doesn't like us there
 if [ $CFG_OSTYPE = unknown-bitrig ]
 then
@@ -863,11 +860,6 @@ then
     CFG_DISABLE_JEMALLOC=1
 fi
 
-if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
-then
-    err "either clang or gcc is required"
-fi
-
 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
 # system, so if we find that gcc is clang, we should just use clang directly.
 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
@@ -977,8 +969,8 @@ fi
 
 if [ ! -z "$CFG_ENABLE_CLANG" ]
 then
-    if [ -z "$CC" ] || [[ $CC == *clang ]]
-    then
+    case "$CC" in
+        (''|*clang)
         CFG_CLANG_VERSION=$($CFG_CC \
             --version \
             | grep version \
@@ -998,9 +990,11 @@ then
             err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
             ;;
         esac
-    else
+        ;;
+        (*)
         msg "skipping CFG_ENABLE_CLANG version check; provided CC=$CC"
-    fi
+        ;;
+    esac
 fi
 
 if [ ! -z "$CFG_ENABLE_CCACHE" ]
@@ -1313,6 +1307,12 @@ CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
 for t in $CFG_HOST
 do
     do_reconfigure=1
+    is_msvc=0
+    case "$t" in
+        (*-msvc)
+        is_msvc=1
+        ;;
+    esac
 
     if [ -z $CFG_LLVM_ROOT ]
     then
@@ -1332,7 +1332,13 @@ do
             LLVM_ASSERTION_OPTS="--disable-assertions"
         else
             LLVM_ASSERTION_OPTS="--enable-assertions"
-            LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
+
+            # Apparently even if we request assertions be enabled for MSVC,
+            # LLVM's CMake build system ignore this and outputs in `Release`
+            # anyway.
+            if [ ${is_msvc} -eq 0 ]; then
+                LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
+            fi
         fi
     else
         msg "not reconfiguring LLVM, external LLVM root"
@@ -1362,14 +1368,7 @@ do
         done
     fi
 
-    use_cmake=0
-    case "$t" in
-        (*-msvc)
-        use_cmake=1
-        ;;
-    esac
-
-    if [ ${do_reconfigure} -ne 0 ] && [ ${use_cmake} -ne 0 ]
+    if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -ne 0 ]
     then
         msg "configuring LLVM for $t with cmake"
 
@@ -1394,7 +1393,7 @@ do
         need_ok "LLVM cmake configure failed"
     fi
 
-    if [ ${do_reconfigure} -ne 0 ] && [ ${use_cmake} -eq 0 ]
+    if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -eq 0 ]
     then
         # LLVM's configure doesn't recognize the new Windows triples yet
         gnu_t=$(to_gnu_triple $t)

trunk/man/rustc.1

@@ -1,4 +1,4 @@
-.TH RUSTC "1" "March 2014" "rustc 0.13.0" "User Commands"
+.TH RUSTC "1" "August 2015" "rustc 1.2.0" "User Commands"
 .SH NAME
 rustc \- The Rust compiler
 .SH SYNOPSIS
@@ -160,7 +160,7 @@ If the value is 'help', then a list of available CPUs is printed.
 \fBtarget\-feature\fR='\fI+feature1\fR,\fI\-feature2\fR'
 A comma\[hy]separated list of features to enable or disable for the target.
 A preceding '+' enables a feature while a preceding '\-' disables it.
-Available features can be discovered through \fItarget\-cpu=help\fR.
+Available features can be discovered through \fIllc -mcpu=help\fR.
 .TP
 \fBpasses\fR=\fIval\fR
 A space\[hy]separated list of extra LLVM passes to run.

trunk/man/rustdoc.1

@@ -1,4 +1,4 @@
-.TH RUSTDOC "1" "March 2014" "rustdoc 0.13.0" "User Commands"
+.TH RUSTDOC "1" "August 2015" "rustdoc 1.2.0" "User Commands"
 .SH NAME
 rustdoc \- generate documentation from Rust source code
 .SH SYNOPSIS

trunk/mk/cfg/aarch64-linux-android.mk

@@ -1,7 +1,6 @@
 # aarch64-linux-android configuration
 # CROSS_PREFIX_aarch64-linux-android-
 CC_aarch64-linux-android=$(CFG_ANDROID_CROSS_PATH)/bin/aarch64-linux-android-gcc
-LINK_aarch64-linux-android=$(CFG_ANDROID_CROSS_PATH)/bin/aarch64-linux-android-gcc
 CXX_aarch64-linux-android=$(CFG_ANDROID_CROSS_PATH)/bin/aarch64-linux-android-g++
 CPP_aarch64-linux-android=$(CFG_ANDROID_CROSS_PATH)/bin/aarch64-linux-android-gcc -E
 AR_aarch64-linux-android=$(CFG_ANDROID_CROSS_PATH)/bin/aarch64-linux-android-ar

trunk/mk/cfg/aarch64-unknown-linux-gnu.mk

@@ -1,7 +1,6 @@
 # aarch64-unknown-linux-gnu configuration
 CROSS_PREFIX_aarch64-unknown-linux-gnu=aarch64-linux-gnu-
 CC_aarch64-unknown-linux-gnu=gcc
-LINK_aarch64-unknown-linux-gnu=gcc
 CXX_aarch64-unknown-linux-gnu=g++
 CPP_aarch64-unknown-linux-gnu=gcc -E
 AR_aarch64-unknown-linux-gnu=ar

trunk/mk/cfg/arm-linux-androideabi.mk

@@ -1,5 +1,4 @@
 # arm-linux-androideabi configuration
-LINK_arm-linux-androideabi=$(CFG_ANDROID_CROSS_PATH)/bin/arm-linux-androideabi-gcc
 CC_arm-linux-androideabi=$(CFG_ANDROID_CROSS_PATH)/bin/arm-linux-androideabi-gcc
 CXX_arm-linux-androideabi=$(CFG_ANDROID_CROSS_PATH)/bin/arm-linux-androideabi-g++
 CPP_arm-linux-androideabi=$(CFG_ANDROID_CROSS_PATH)/bin/arm-linux-androideabi-gcc -E

trunk/mk/cfg/i686-apple-darwin.mk

@@ -1,6 +1,5 @@
 # i686-apple-darwin configuration
 CC_i686-apple-darwin=$(CC)
-LINK_i686-apple-darwin=cc
 CXX_i686-apple-darwin=$(CXX)
 CPP_i686-apple-darwin=$(CPP)
 AR_i686-apple-darwin=$(AR)

trunk/mk/cfg/i686-unknown-linux-gnu.mk

@@ -1,6 +1,5 @@
 # i686-unknown-linux-gnu configuration
 CC_i686-unknown-linux-gnu=$(CC)
-LINK_i686-unknown-linux-gnu=cc
 CXX_i686-unknown-linux-gnu=$(CXX)
 CPP_i686-unknown-linux-gnu=$(CPP)
 AR_i686-unknown-linux-gnu=$(AR)

trunk/mk/cfg/x86_64-apple-darwin.mk

@@ -1,6 +1,5 @@
 # x86_64-apple-darwin configuration
 CC_x86_64-apple-darwin=$(CC)
-LINK_x86_64-apple-darwin=cc
 CXX_x86_64-apple-darwin=$(CXX)
 CPP_x86_64-apple-darwin=$(CPP)
 AR_x86_64-apple-darwin=$(AR)

trunk/mk/cfg/x86_64-pc-windows-gnu.mk

@@ -1,7 +1,6 @@
 # x86_64-pc-windows-gnu configuration
 CROSS_PREFIX_x86_64-pc-windows-gnu=x86_64-w64-mingw32-
 CC_x86_64-pc-windows-gnu=gcc
-LINK_x86_64-pc-windows-gnu=gcc
 CXX_x86_64-pc-windows-gnu=g++
 CPP_x86_64-pc-windows-gnu=gcc -E
 AR_x86_64-pc-windows-gnu=ar

trunk/mk/cfg/x86_64-pc-windows-msvc.mk

@@ -9,8 +9,8 @@ CFG_STATIC_LIB_NAME_x86_64-pc-windows-msvc=$(1).lib
 CFG_LIB_GLOB_x86_64-pc-windows-msvc=$(1)-*.dll
 CFG_LIB_DSYM_GLOB_x86_64-pc-windows-msvc=$(1)-*.dylib.dSYM
 CFG_JEMALLOC_CFLAGS_x86_64-pc-windows-msvc :=
-CFG_GCCISH_CFLAGS_x86_64-pc-windows-msvc :=
-CFG_GCCISH_CXXFLAGS_x86_64-pc-windows-msvc :=
+CFG_GCCISH_CFLAGS_x86_64-pc-windows-msvc := -MD
+CFG_GCCISH_CXXFLAGS_x86_64-pc-windows-msvc := -MD
 CFG_GCCISH_LINK_FLAGS_x86_64-pc-windows-msvc :=
 CFG_GCCISH_DEF_FLAG_x86_64-pc-windows-msvc :=
 CFG_LLC_FLAGS_x86_64-pc-windows-msvc :=
@@ -80,3 +80,8 @@ CUSTOM_DEPS_rustc_llvm_T_x86_64-pc-windows-msvc += \
 x86_64-pc-windows-msvc/rt/rustc_llvm.def: $(S)src/etc/mklldef.py \
 			$(S)src/librustc_llvm/lib.rs
 	$(CFG_PYTHON) $^ $@ rustc_llvm-$(CFG_FILENAME_EXTRA)
+
+# All windows nightiles are currently a GNU triple, so this MSVC triple is not
+# bootstrapping from itself. This is relevant during stage0, and other parts of
+# the build system take this into account.
+BOOTSTRAP_FROM_x86_64-pc-windows-msvc := x86_64-pc-windows-gnu

trunk/mk/cfg/x86_64-unknown-linux-gnu.mk

@@ -1,6 +1,5 @@
 # x86_64-unknown-linux-gnu configuration
 CC_x86_64-unknown-linux-gnu=$(CC)
-LINK_x86_64-unknown-linux-gnu=cc
 CXX_x86_64-unknown-linux-gnu=$(CXX)
 CPP_x86_64-unknown-linux-gnu=$(CPP)
 AR_x86_64-unknown-linux-gnu=$(AR)

trunk/mk/crates.mk

@@ -150,3 +150,7 @@ TOOL_INPUTS_$(1) := $$(call rwildcard,$$(dir $$(TOOL_SOURCE_$(1))),*.rs)
 endef
 
 $(foreach crate,$(TOOLS),$(eval $(call RUST_TOOL,$(crate))))
+
+ifdef CFG_DISABLE_ELF_TLS
+RUSTFLAGS_std := --cfg no_elf_tls
+endif

trunk/mk/debuggers.mk

@@ -15,7 +15,8 @@
 
 ## GDB ##
 DEBUGGER_RUSTLIB_ETC_SCRIPTS_GDB=gdb_load_rust_pretty_printers.py \
-                                 gdb_rust_pretty_printing.py
+                                 gdb_rust_pretty_printing.py \
+                                 debugger_pretty_printers_common.py
 DEBUGGER_RUSTLIB_ETC_SCRIPTS_GDB_ABS=\
     $(foreach script,$(DEBUGGER_RUSTLIB_ETC_SCRIPTS_GDB), \
         $(CFG_SRC_DIR)src/etc/$(script))
@@ -27,7 +28,8 @@ DEBUGGER_BIN_SCRIPTS_GDB_ABS=\
 
 
 ## LLDB ##
-DEBUGGER_RUSTLIB_ETC_SCRIPTS_LLDB=lldb_rust_formatters.py
+DEBUGGER_RUSTLIB_ETC_SCRIPTS_LLDB=lldb_rust_formatters.py \
+                                  debugger_pretty_printers_common.py
 DEBUGGER_RUSTLIB_ETC_SCRIPTS_LLDB_ABS=\
     $(foreach script,$(DEBUGGER_RUSTLIB_ETC_SCRIPTS_LLDB), \
         $(CFG_SRC_DIR)src/etc/$(script))

trunk/mk/docs.mk

@@ -266,7 +266,7 @@ endef
 $(foreach crate,$(CRATES),$(eval $(call DEF_LIB_DOC,$(crate))))
 
 COMPILER_DOC_TARGETS := $(CRATES:%=doc/%/index.html)
-ifdef CFG_COMPILER_DOCS
+ifdef CFG_ENABLE_COMPILER_DOCS
   DOC_TARGETS += $(COMPILER_DOC_TARGETS)
 else
   DOC_TARGETS += $(DOC_CRATES:%=doc/%/index.html)

trunk/mk/main.mk

@@ -74,9 +74,6 @@ ifneq ($(wildcard $(subst $(SPACE),\$(SPACE),$(CFG_GIT_DIR))),)
 endif
 endif
 
-CFG_BUILD_DATE = $(shell date +%F)
-CFG_VERSION += (built $(CFG_BUILD_DATE))
-
 # Windows exe's need numeric versions - don't use anything but
 # numbers and dots here
 CFG_VERSION_WIN = $(CFG_RELEASE_NUM)
@@ -130,9 +127,7 @@ CFG_JEMALLOC_FLAGS += $(JEMALLOC_FLAGS)
 
 ifdef CFG_ENABLE_DEBUG_ASSERTIONS
   $(info cfg: enabling debug assertions (CFG_ENABLE_DEBUG_ASSERTIONS))
-  CFG_RUSTC_FLAGS += --cfg debug -C debug-assertions=on
-else
-  CFG_RUSTC_FLAGS += --cfg ndebug
+  CFG_RUSTC_FLAGS += -C debug-assertions=on
 endif
 
 ifdef CFG_ENABLE_DEBUGINFO
@@ -334,7 +329,6 @@ endif
 ifdef CFG_VER_HASH
 export CFG_VER_HASH
 endif
-export CFG_BUILD_DATE
 export CFG_VERSION
 export CFG_VERSION_WIN
 export CFG_RELEASE

trunk/mk/platform.mk

@@ -120,6 +120,15 @@ endef
 $(foreach target,$(CFG_TARGET), \
   $(eval $(call ADD_INSTALLED_OBJECTS,$(target))))
 
+define DEFINE_LINKER
+  ifndef LINK_$(1)
+    LINK_$(1) := $$(CC_$(1))
+  endif
+endef
+
+$(foreach target,$(CFG_TARGET), \
+  $(eval $(call DEFINE_LINKER,$(target))))
+
 # The -Qunused-arguments sidesteps spurious warnings from clang
 define FILTER_FLAGS
   ifeq ($$(CFG_USING_CLANG),1)