Asserts?

assert_v2.diff

diff --git a/projects/openttd_vs141.vcxproj b/projects/openttd_vs141.vcxproj
index 66974da28f..04d5951a25 100644
--- a/projects/openttd_vs141.vcxproj
+++ b/projects/openttd_vs141.vcxproj
@@ -24,6 +24,7 @@
     <RootNamespace>openttd</RootNamespace>
     <VcpkgTriplet Condition="'$(Platform)'=='Win32'">x86-windows-static</VcpkgTriplet>
     <VcpkgTriplet Condition="'$(Platform)'=='x64'">x64-windows-static</VcpkgTriplet>
+    <DisableAsserts>0</DisableAsserts>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
@@ -107,7 +108,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;WITH_PNG;WITH_FREETYPE;WITH_UNISCRIBE;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;WITH_PNG;WITH_FREETYPE;WITH_UNISCRIBE;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -230,7 +231,7 @@
       <FavorSizeOrSpeed>Size</FavorSizeOrSpeed>
       <OmitFramePointers>true</OmitFramePointers>
       <AdditionalIncludeDirectories>..\objs\langs;..\objs\settings;..\src\3rdparty\squirrel\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;WITH_PNG;WITH_FREETYPE;WITH_UNISCRIBE;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;WIN32_ENABLE_DIRECTMUSIC_SUPPORT;WITH_XAUDIO2;WITH_SSE;WITH_ZLIB;WITH_LZO;WITH_LZMA;WITH_PNG;WITH_FREETYPE;WITH_UNISCRIBE;ENABLE_NETWORK;WITH_PERSONAL_DIR;PERSONAL_DIR="OpenTTD";_SQ64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
@@ -337,6 +338,11 @@
       <Command>copy "$(OutDir)$(TargetName)$(TargetExt)" "$(SolutionDir)..\bin\$(TargetName)$(TargetExt)"</Command>
     </PostBuildEvent>
   </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)'=='Release' And '$(DisableAsserts)'=='0'">
+    <ClCompile>
+      <PreprocessorDefinitions>WITH_ASSERT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+  </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\src\airport.cpp" />
     <ClCompile Include="..\src\animated_tile.cpp" />
diff --git a/azure-pipelines/templates/windows-build.yml b/azure-pipelines/templates/windows-build.yml
index 5e12f2243f..e71b0838d6 100644
--- a/azure-pipelines/templates/windows-build.yml
+++ b/azure-pipelines/templates/windows-build.yml
@@ -1,5 +1,6 @@
 parameters:
   BuildPlatform: ''
+  DisableAsserts: '0'
 
 steps:
 - task: VSBuild@1
@@ -9,3 +10,4 @@ steps:
     platform: ${{ parameters.BuildPlatform }}
     configuration: Release
     maximumCpuCount: true
+    msbuildArguments: /p:DisableAsserts="${{ parameters.DisableAsserts }}"
diff --git a/azure-pipelines/templates/release.yml b/azure-pipelines/templates/release.yml
index 7628d3c91e..5abe69ad9f 100644
--- a/azure-pipelines/templates/release.yml
+++ b/azure-pipelines/templates/release.yml
@@ -88,6 +88,8 @@ jobs:
   - template: windows-build.yml
     parameters:
       BuildPlatform: $(BuildPlatform)
+      ${{ if eq(parameters.IsStableRelease, true) }}:
+        DisableAsserts: 1
   - bash: |
       set -ex
       make -f Makefile.msvc bundle_pdb bundle_zip PLATFORM=$(BundlePlatform) BUNDLE_NAME=openttd-$(Build.BuildNumber)-windows-$(BundlePlatform)