Rollup merge of rust-lang#41016 - arielb1:beta-fixes, r=alexcrichton

[beta] Beta next - rust-lang#40764 - rust-lang#40809 - rust-lang#41015 r? @brson
frewsxcv · Apr 3, 2017 · 0134608 · 0134608
2 parents b37cc75 + ab18aae
commit 0134608
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Showing 31 changed files with 85 additions and 89 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -56,7 +56,7 @@ matrix:
       os: osx
       osx_image: xcode8.2
       install: &osx_install_sccache >
-        travis_retry curl -o /usr/local/bin/sccache https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-apple-darwin &&
+        travis_retry curl -o /usr/local/bin/sccache https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-apple-darwin &&
           chmod +x /usr/local/bin/sccache
     - env: >
         RUST_CHECK_TARGET=check
@@ -89,7 +89,7 @@ matrix:
       os: osx
       osx_image: xcode7
       install: >
-        travis_retry curl -o /usr/local/bin/sccache https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-apple-darwin &&
+        travis_retry curl -o /usr/local/bin/sccache https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-apple-darwin &&
           chmod +x /usr/local/bin/sccache
     - env: >
         RUST_CHECK_TARGET=dist

diff --git a/appveyor.yml b/appveyor.yml
@@ -115,8 +115,8 @@ install:
   - set PATH=C:\Python27;%PATH%
 
   # Download and install sccache
-  - appveyor-retry appveyor DownloadFile https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-pc-windows-msvc
-  - mv 2017-02-25-sccache-x86_64-pc-windows-msvc sccache
+  - appveyor-retry appveyor DownloadFile https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-pc-windows-msvc
+  - mv 2017-03-24-sccache-x86_64-pc-windows-msvc sccache
   - set PATH=%PATH%;%CD%
 
   # Install InnoSetup to get `iscc` used to produce installers

diff --git a/src/ci/docker/armhf-gnu/Dockerfile b/src/ci/docker/armhf-gnu/Dockerfile
@@ -74,7 +74,7 @@ RUN arm-linux-gnueabihf-gcc addentropy.c -o rootfs/addentropy -static
 RUN curl -O http://ftp.nl.debian.org/debian/dists/jessie/main/installer-armhf/current/images/device-tree/vexpress-v2p-ca15-tc1.dtb
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/cross/Dockerfile b/src/ci/docker/cross/Dockerfile
@@ -22,7 +22,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   pkg-config
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/dist-android/Dockerfile b/src/ci/docker/dist-android/Dockerfile
@@ -32,7 +32,7 @@ RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-ini
 ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 ENV TARGETS=arm-linux-androideabi

diff --git a/src/ci/docker/dist-arm-linux/Dockerfile b/src/ci/docker/dist-arm-linux/Dockerfile
@@ -28,7 +28,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   pkg-config
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/dist-armv7-aarch64-linux/Dockerfile b/src/ci/docker/dist-armv7-aarch64-linux/Dockerfile
@@ -28,7 +28,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   pkg-config
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/dist-freebsd/Dockerfile b/src/ci/docker/dist-freebsd/Dockerfile
@@ -26,7 +26,7 @@ RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-ini
 ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 ENV \

diff --git a/src/ci/docker/dist-fuchsia/Dockerfile b/src/ci/docker/dist-fuchsia/Dockerfile
@@ -29,7 +29,7 @@ RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-ini
 ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 ENV \

diff --git a/src/ci/docker/dist-i586-gnu-i686-musl/Dockerfile b/src/ci/docker/dist-i586-gnu-i686-musl/Dockerfile
@@ -26,7 +26,7 @@ RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-ini
 ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 ENV RUST_CONFIGURE_ARGS \

diff --git a/src/ci/docker/dist-mips-linux/Dockerfile b/src/ci/docker/dist-mips-linux/Dockerfile
@@ -18,7 +18,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   pkg-config
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/dist-mips64-linux/Dockerfile b/src/ci/docker/dist-mips64-linux/Dockerfile
@@ -18,7 +18,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   pkg-config
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/dist-powerpc-linux/Dockerfile b/src/ci/docker/dist-powerpc-linux/Dockerfile
@@ -28,7 +28,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   pkg-config
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/dist-powerpc64-linux/Dockerfile b/src/ci/docker/dist-powerpc64-linux/Dockerfile
@@ -28,7 +28,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   pkg-config
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/dist-s390x-linux-netbsd/Dockerfile b/src/ci/docker/dist-s390x-linux-netbsd/Dockerfile
@@ -28,7 +28,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   pkg-config
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/dist-x86-linux/Dockerfile b/src/ci/docker/dist-x86-linux/Dockerfile
@@ -75,7 +75,7 @@ RUN curl -Lo /rustroot/dumb-init \
 ENTRYPOINT ["/rustroot/dumb-init", "--"]
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 ENV HOSTS=i686-unknown-linux-gnu

diff --git a/src/ci/docker/dist-x86_64-musl/Dockerfile b/src/ci/docker/dist-x86_64-musl/Dockerfile
@@ -26,7 +26,7 @@ RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-ini
 ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 ENV RUST_CONFIGURE_ARGS \

diff --git a/src/ci/docker/emscripten/Dockerfile b/src/ci/docker/emscripten/Dockerfile
@@ -15,7 +15,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   lib32stdc++6
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/i686-gnu-nopt/Dockerfile b/src/ci/docker/i686-gnu-nopt/Dockerfile
@@ -14,7 +14,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   xz-utils
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/i686-gnu/Dockerfile b/src/ci/docker/i686-gnu/Dockerfile
@@ -14,7 +14,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   xz-utils
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/x86_64-gnu-aux/Dockerfile b/src/ci/docker/x86_64-gnu-aux/Dockerfile
@@ -15,7 +15,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   pkg-config
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/x86_64-gnu-debug/Dockerfile b/src/ci/docker/x86_64-gnu-debug/Dockerfile
@@ -14,7 +14,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   xz-utils
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/x86_64-gnu-distcheck/Dockerfile b/src/ci/docker/x86_64-gnu-distcheck/Dockerfile
@@ -16,7 +16,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   pkg-config
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/x86_64-gnu-full-bootstrap/Dockerfile b/src/ci/docker/x86_64-gnu-full-bootstrap/Dockerfile
@@ -14,7 +14,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   xz-utils
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/x86_64-gnu-incremental/Dockerfile b/src/ci/docker/x86_64-gnu-incremental/Dockerfile
@@ -14,7 +14,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   xz-utils
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/x86_64-gnu-llvm-3.7/Dockerfile b/src/ci/docker/x86_64-gnu-llvm-3.7/Dockerfile
@@ -17,7 +17,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   xz-utils
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/x86_64-gnu-nopt/Dockerfile b/src/ci/docker/x86_64-gnu-nopt/Dockerfile
@@ -14,7 +14,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   xz-utils
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/ci/docker/x86_64-gnu/Dockerfile b/src/ci/docker/x86_64-gnu/Dockerfile
@@ -14,7 +14,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   xz-utils
 
 RUN curl -o /usr/local/bin/sccache \
-      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-02-25-sccache-x86_64-unknown-linux-musl && \
+      https://s3.amazonaws.com/rust-lang-ci/rust-ci-mirror/2017-03-24-sccache-x86_64-unknown-linux-musl && \
       chmod +x /usr/local/bin/sccache
 
 RUN curl -OL https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64.deb && \

diff --git a/src/librustc/hir/lowering.rs b/src/librustc/hir/lowering.rs
@@ -1700,57 +1700,45 @@ impl<'a> LoweringContext<'a> {
                     hir::ExprIndex(P(self.lower_expr(el)), P(self.lower_expr(er)))
                 }
                 ExprKind::Range(ref e1, ref e2, lims) => {
-                    fn make_struct(this: &mut LoweringContext,
-                                   ast_expr: &Expr,
-                                   path: &[&str],
-                                   fields: &[(&str, &P<Expr>)]) -> hir::Expr {
-                        let struct_path = &iter::once(&"ops").chain(path).map(|s| *s)
-                                                             .collect::<Vec<_>>();
-                        let unstable_span = this.allow_internal_unstable("...", ast_expr.span);
-
-                        if fields.len() == 0 {
-                            this.expr_std_path(unstable_span, struct_path,
-                                               ast_expr.attrs.clone())
-                        } else {
-                            let fields = fields.into_iter().map(|&(s, e)| {
-                                let expr = P(this.lower_expr(&e));
-                                let unstable_span = this.allow_internal_unstable("...", e.span);
-                                this.field(Symbol::intern(s), expr, unstable_span)
-                            }).collect();
-                            let attrs = ast_expr.attrs.clone();
-
-                            this.expr_std_struct(unstable_span, struct_path, fields, None, attrs)
-                        }
-                    }
-
                     use syntax::ast::RangeLimits::*;
 
-                    return match (e1, e2, lims) {
-                        (&None,         &None,         HalfOpen) =>
-                            make_struct(self, e, &["RangeFull"], &[]),
-
-                        (&Some(ref e1), &None,         HalfOpen) =>
-                            make_struct(self, e, &["RangeFrom"],
-                                                 &[("start", e1)]),
-
-                        (&None,         &Some(ref e2), HalfOpen) =>
-                            make_struct(self, e, &["RangeTo"],
-                                                 &[("end", e2)]),
-
-                        (&Some(ref e1), &Some(ref e2), HalfOpen) =>
-                            make_struct(self, e, &["Range"],
-                                                 &[("start", e1), ("end", e2)]),
-
-                        (&None,         &Some(ref e2), Closed)   =>
-                            make_struct(self, e, &["RangeToInclusive"],
-                                                 &[("end", e2)]),
-
-                        (&Some(ref e1), &Some(ref e2), Closed)   =>
-                            make_struct(self, e, &["RangeInclusive", "NonEmpty"],
-                                                 &[("start", e1), ("end", e2)]),
+                    let (path, variant) = match (e1, e2, lims) {
+                        (&None, &None, HalfOpen) => ("RangeFull", None),
+                        (&Some(..), &None, HalfOpen) => ("RangeFrom", None),
+                        (&None, &Some(..), HalfOpen) => ("RangeTo", None),
+                        (&Some(..), &Some(..), HalfOpen) => ("Range", None),
+                        (&None, &Some(..), Closed) => ("RangeToInclusive", None),
+                        (&Some(..), &Some(..), Closed) => ("RangeInclusive", Some("NonEmpty")),
+                        (_, &None, Closed) =>
+                            panic!(self.diagnostic().span_fatal(
+                                e.span, "inclusive range with no end")),
+                    };
 
-                        _ => panic!(self.diagnostic()
-                                        .span_fatal(e.span, "inclusive range with no end")),
+                    let fields =
+                        e1.iter().map(|e| ("start", e)).chain(e2.iter().map(|e| ("end", e)))
+                        .map(|(s, e)| {
+                            let expr = P(self.lower_expr(&e));
+                            let unstable_span = self.allow_internal_unstable("...", e.span);
+                            self.field(Symbol::intern(s), expr, unstable_span)
+                        }).collect::<P<[hir::Field]>>();
+
+                    let is_unit = fields.is_empty();
+                    let unstable_span = self.allow_internal_unstable("...", e.span);
+                    let struct_path =
+                        iter::once("ops").chain(iter::once(path)).chain(variant)
+                        .collect::<Vec<_>>();
+                    let struct_path = self.std_path(unstable_span, &struct_path, is_unit);
+                    let struct_path = hir::QPath::Resolved(None, P(struct_path));
+
+                    return hir::Expr {
+                        id: e.id,
+                        node: if is_unit {
+                            hir::ExprPath(struct_path)
+                        } else {
+                            hir::ExprStruct(struct_path, fields, None)
+                        },
+                        span: unstable_span,
+                        attrs: e.attrs.clone(),
                     };
                 }
                 ExprKind::Path(ref qself, ref path) => {
@@ -2334,17 +2322,6 @@ impl<'a> LoweringContext<'a> {
         P(self.expr(sp, hir::ExprTup(exprs), ThinVec::new()))
     }
 
-    fn expr_std_struct(&mut self,
-                       span: Span,
-                       components: &[&str],
-                       fields: hir::HirVec<hir::Field>,
-                       e: Option<P<hir::Expr>>,
-                       attrs: ThinVec<Attribute>) -> hir::Expr {
-        let path = self.std_path(span, components, false);
-        let qpath = hir::QPath::Resolved(None, P(path));
-        self.expr(span, hir::ExprStruct(qpath, fields, e), attrs)
-    }
-
     fn expr(&mut self, span: Span, node: hir::Expr_, attrs: ThinVec<Attribute>) -> hir::Expr {
         hir::Expr {
             id: self.next_id(),