temporarily enable mac and windows tests on bors try

testing platform-specific changes

src/ci/azure-pipelines/try.yml

@@ -82,3 +82,33 @@ jobs:
 #         INITIAL_RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-extended --enable-profiler
 #         SCRIPT: python x.py dist
 #         DEPLOY_ALT: 1
+
+- job: macOS
+  timeoutInMinutes: 600
+  pool:
+    vmImage: macos-10.15
+  steps:
+  - template: steps/run.yml
+  strategy:
+    matrix:
+      x86_64-apple:
+        SCRIPT: ./x.py test
+        INITIAL_RUST_CONFIGURE_ARGS: --build=x86_64-apple-darwin --enable-sanitizers --enable-profiler --set rust.jemalloc
+        RUSTC_RETRY_LINKER_ON_SEGFAULT: 1
+        MACOSX_DEPLOYMENT_TARGET: 10.8
+        MACOSX_STD_DEPLOYMENT_TARGET: 10.7
+        NO_LLVM_ASSERTIONS: 1
+        NO_DEBUG_ASSERTIONS: 1
+- job: Windows
+  timeoutInMinutes: 600
+  pool:
+    vmImage: 'vs2017-win2016'
+  steps:
+  - template: steps/run.yml
+  strategy:
+    matrix:
+      x86_64-msvc:
+        INITIAL_RUST_CONFIGURE_ARGS: >
+          --build=x86_64-pc-windows-msvc
+          --enable-profiler
+        SCRIPT: python x.py test