Rollup merge of rust-lang#43167 - SimonSapin:alt-profiler, r=alexcrichton

Enable profiler on "alternate" builds

This hopefully fixes rust-lang#42967 and rust-lang#43085.

Author: steveklabnik

.travis.yml

@@ -122,7 +122,7 @@ matrix:
     - env: IMAGE=dist-x86_64-linux DEPLOY_ALT=1
     - env: >
         RUST_CHECK_TARGET=dist
-        RUST_CONFIGURE_ARGS="--enable-extended"
+        RUST_CONFIGURE_ARGS="--enable-extended --enable-profiler"
         SRC=.
         DEPLOY_ALT=1
         RUSTC_RETRY_LINKER_ON_SEGFAULT=1

appveyor.yml

@@ -75,7 +75,7 @@ environment:
 
   # "alternate" deployment, see .travis.yml for more info
   - MSYS_BITS: 64
-    RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-extended
+    RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-extended --enable-profiler
     SCRIPT: python x.py dist
     DEPLOY_ALT: 1