Test x86-64 on Windows

.gitignore

@@ -1,5 +1,6 @@
 # Binary
 *.[oa]
+*.exe
 
 # D
 .dub
@@ -9,3 +10,5 @@ __test__*__.core
 
 /docs/
 /docs.json
+
+/*.lst

appveyor.yml

@@ -1,17 +1,29 @@
 platform: x64
-os: Visual Studio 2017
+os: Visual Studio 2015
 
 environment:
   matrix:
+    - DC: dmd
+      DVersion: 2.074.1
+      arch: x64
     - DC: dmd
       DVersion: 2.074.1
       arch: x86
+    - DC: dmd
+      DVersion: 2.073.2
+      arch: x64
     - DC: dmd
       DVersion: 2.073.2
       arch: x86
+    - DC: dmd
+      DVersion: 2.072.2
+      arch: x64
     - DC: dmd
       DVersion: 2.072.2
       arch: x86
+    - DC: dmd
+      DVersion: 2.071.2
+      arch: x64
     - DC: dmd
       DVersion: 2.071.2
       arch: x86
@@ -38,15 +50,23 @@ install:
         }
 
 before_build:
+  - ps: if($env:arch -eq "x86"){
+          $env:compilersetupargs = "x86";
+          $env:Darch = "x86";
+        }
+        elseif($env:arch -eq "x64"){
+          $env:compilersetupargs = "amd64";
+          $env:Darch = "x86_64";
+        }
   - ps: $env:PATH += ";C:\dmd2\windows\bin;";
-  - call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\Tools\VsDevCmd.bat" -arch=%arch%
+  - call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall" %compilersetupargs%
 
 build_script:
   - echo dummy build script - dont remove me
 
 test_script:
- - echo %DC%
+  - echo %Darch%
   - echo %PATH%
   - 'dub --version'
   - '%DC% --version'
- - dub test --arch=x86 --compiler=%DC%
+  - dub test -b unittest --arch=%Darch% --compiler=%DC%

codecov.yml

@@ -0,0 +1,3 @@
+ignore:
+  - "source/tanya/async/event/iocp.d"
+  - "source/tanya/async/iocp.d"