dotnet · Jul 25, 2019 · Apr 27, 2019 · Apr 29, 2019 · Apr 29, 2019 · Apr 30, 2019
diff --git a/RoslynPackageVersion.txt b/RoslynPackageVersion.txt
@@ -1 +1 @@
-3.1.0-beta3-19222-02
+3.2.0-beta4-19312-15
diff --git a/eng/Versions.props b/eng/Versions.props
@@ -23,14 +23,14 @@
     <FSharpCorePreviewPackageVersion>$(FSCorePackageVersion)-$(PreReleaseVersionLabel).*</FSharpCorePreviewPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
-    <FSPackageMajorVersion>10.4</FSPackageMajorVersion>
-    <FSPackageVersion>$(FSPackageMajorVersion).3</FSPackageVersion>
+    <FSPackageMajorVersion>10.5</FSPackageMajorVersion>
+    <FSPackageVersion>$(FSPackageMajorVersion).0</FSPackageVersion>
     <FSProductVersionPrefix>$(FSPackageVersion)</FSProductVersionPrefix>
     <FSProductVersion>$(FSPackageVersion).0</FSProductVersion>
   </PropertyGroup>
   <PropertyGroup>
     <VSMajorVersion>16</VSMajorVersion>
-    <VSMinorVersion>1</VSMinorVersion>
+    <VSMinorVersion>2</VSMinorVersion>
     <VSGeneralVersion>$(VSMajorVersion).0</VSGeneralVersion>
     <VSAssemblyVersionPrefix>$(VSMajorVersion).$(VSMinorVersion).0</VSAssemblyVersionPrefix>
     <VSAssemblyVersion>$(VSAssemblyVersionPrefix).0</VSAssemblyVersion>
@@ -55,6 +55,7 @@
       https://dotnet.myget.org/F/roslyn-tools/api/v3/index.json;
       https://api.nuget.org/v3/index.json;
       https://dotnet.myget.org/F/roslyn/api/v3/index.json;
+      https://dotnet.myget.org/F/roslyn-analyzers/api/v3/index.json;
       https://dotnet.myget.org/F/symreader-converter/api/v3/index.json;
       https://dotnet.myget.org/F/interactive-window/api/v3/index.json;
       https://myget.org/F/vs-devcore/api/v3/index.json;

diff --git a/eng/targets/Settings.props b/eng/targets/Settings.props
@@ -8,7 +8,8 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <IncludeVsLanguageServer>true</IncludeVsLanguageServer>
+    <!-- this should be false for branch `release/dev16.2`, true otherwise -->
+    <IncludeVsLanguageServer>false</IncludeVsLanguageServer>
   </PropertyGroup>
 
 </Project>
diff --git a/src/fsharp/FSharp.Build/xlf/FSBuild.txt.cs.xlf b/src/fsharp/FSharp.Build/xlf/FSBuild.txt.cs.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">{0} pro F# {1}</target>
         <note />
       </trans-unit>
       <trans-unit id="toolpathUnknown">

diff --git a/src/fsharp/FSharp.Build/xlf/FSBuild.txt.de.xlf b/src/fsharp/FSharp.Build/xlf/FSBuild.txt.de.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">{0} für F# {1}</target>
         <note />
       </trans-unit>
       <trans-unit id="toolpathUnknown">

diff --git a/src/fsharp/FSharp.Build/xlf/FSBuild.txt.es.xlf b/src/fsharp/FSharp.Build/xlf/FSBuild.txt.es.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">{0} para F# {1}</target>
         <note />
       </trans-unit>
       <trans-unit id="toolpathUnknown">

diff --git a/src/fsharp/FSharp.Build/xlf/FSBuild.txt.fr.xlf b/src/fsharp/FSharp.Build/xlf/FSBuild.txt.fr.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">{0} pour F# {1}</target>
         <note />
       </trans-unit>
       <trans-unit id="toolpathUnknown">

diff --git a/src/fsharp/FSharp.Build/xlf/FSBuild.txt.it.xlf b/src/fsharp/FSharp.Build/xlf/FSBuild.txt.it.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">{0} per F# {1}</target>
         <note />
       </trans-unit>
       <trans-unit id="toolpathUnknown">

diff --git a/src/fsharp/FSharp.Build/xlf/FSBuild.txt.ja.xlf b/src/fsharp/FSharp.Build/xlf/FSBuild.txt.ja.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">F# {1} の {0}</target>
         <note />
       </trans-unit>
       <trans-unit id="toolpathUnknown">

diff --git a/src/fsharp/FSharp.Build/xlf/FSBuild.txt.ko.xlf b/src/fsharp/FSharp.Build/xlf/FSBuild.txt.ko.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">F# {1}용 {0}</target>
         <note />
       </trans-unit>
       <trans-unit id="toolpathUnknown">

diff --git a/src/fsharp/FSharp.Build/xlf/FSBuild.txt.pl.xlf b/src/fsharp/FSharp.Build/xlf/FSBuild.txt.pl.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">{0} dla języka F# {1}</target>
         <note />
       </trans-unit>
       <trans-unit id="toolpathUnknown">

diff --git a/src/fsharp/FSharp.Build/xlf/FSBuild.txt.pt-BR.xlf b/src/fsharp/FSharp.Build/xlf/FSBuild.txt.pt-BR.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">{0} para F# {1}</target>
         <note />
       </trans-unit>
       <trans-unit id="toolpathUnknown">

diff --git a/src/fsharp/FSharp.Build/xlf/FSBuild.txt.ru.xlf b/src/fsharp/FSharp.Build/xlf/FSBuild.txt.ru.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">{0} для F# {1}</target>
         <note />
       </trans-unit>
       <trans-unit id="toolpathUnknown">

diff --git a/src/fsharp/FSharp.Build/xlf/FSBuild.txt.tr.xlf b/src/fsharp/FSharp.Build/xlf/FSBuild.txt.tr.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">F# {1} için {0}</target>
         <note />
       </trans-unit>
       <trans-unit id="toolpathUnknown">

diff --git a/src/fsharp/FSharp.Build/xlf/FSBuild.txt.zh-Hans.xlf b/src/fsharp/FSharp.Build/xlf/FSBuild.txt.zh-Hans.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">F# {1} 的 {0}</target>
         <note />
       </trans-unit>
       <trans-unit id="toolpathUnknown">

diff --git a/src/fsharp/FSharp.Build/xlf/FSBuild.txt.zh-Hant.xlf b/src/fsharp/FSharp.Build/xlf/FSBuild.txt.zh-Hant.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">F # {1} 的 {0}</target>
         <note />
       </trans-unit>
       <trans-unit id="toolpathUnknown">

diff --git a/src/fsharp/IlxGen.fs b/src/fsharp/IlxGen.fs
@@ -832,8 +832,15 @@ and IlxGenEnv =
 
       /// Are we under the scope of a try, catch or finally? If so we can't tailcall. SEH = structured exception handling
       withinSEH: bool
+
+      /// Are we inside of a recursive let binding, while loop, or a for loop?
+      isInLoop: bool
     }
 
+let SetIsInLoop isInLoop eenv =
+    if eenv.isInLoop = isInLoop then eenv
+    else { eenv with isInLoop = isInLoop }
+
 let ReplaceTyenv tyenv (eenv: IlxGenEnv) = {eenv with tyenv = tyenv }
 
 let EnvForTypars tps eenv = {eenv with tyenv = TypeReprEnv.ForTypars tps }
@@ -3434,6 +3441,7 @@ and GenTryFinally cenv cgbuf eenv (bodyExpr, handlerExpr, m, resty, spTry, spFin
 //--------------------------------------------------------------------------
 
 and GenForLoop cenv cgbuf eenv (spFor, v, e1, dir, e2, loopBody, m) sequel =
+    let eenv = SetIsInLoop true eenv
     let g = cenv.g
 
     // The JIT/NGen eliminate array-bounds checks for C# loops of form:
@@ -3524,6 +3532,7 @@ and GenForLoop cenv cgbuf eenv (spFor, v, e1, dir, e2, loopBody, m) sequel =
 //--------------------------------------------------------------------------
 
 and GenWhileLoop cenv cgbuf eenv (spWhile, e1, e2, m) sequel =
+    let eenv = SetIsInLoop true eenv
     let finish = CG.GenerateDelayMark cgbuf "while_finish"
     let startTest = CG.GenerateMark cgbuf "startTest"
 
@@ -5126,6 +5135,7 @@ and GenLetRecFixup cenv cgbuf eenv (ilxCloSpec: IlxClosureSpec, e, ilField: ILFi
 
 /// Generate letrec bindings
 and GenLetRecBindings cenv (cgbuf: CodeGenBuffer) eenv (allBinds: Bindings, m) =
+    let eenv = SetIsInLoop true eenv
     // Fix up recursion for non-toplevel recursive bindings
     let bindsPossiblyRequiringFixup =
         allBinds |> List.filter (fun b ->
@@ -5374,8 +5384,8 @@ and GenBindingAfterSequencePoint cenv cgbuf eenv sp (TBind(vspec, rhsExpr, _)) s
     | _ ->
         let storage = StorageForVal cenv.g m vspec eenv
         match storage, rhsExpr with
-        // locals are zero-init, no need to initialize them
-        | Local (_, realloc, _), Expr.Const (Const.Zero, _, _) when not realloc ->
+        // locals are zero-init, no need to initialize them, except if you are in a loop and the local is mutable.
+        | Local (_, realloc, _), Expr.Const (Const.Zero, _, _) when not realloc && not (eenv.isInLoop && vspec.IsMutable) ->
             CommitStartScope cgbuf startScopeMarkOpt
         | _ ->
             GenBindingRhs cenv cgbuf eenv SPSuppress vspec rhsExpr
@@ -7512,7 +7522,8 @@ let GetEmptyIlxGenEnv (ilg: ILGlobals) ccu =
       liveLocals=IntMap.empty()
       innerVals = []
       sigToImplRemapInfo = [] (* "module remap info" *)
-      withinSEH = false }
+      withinSEH = false
+      isInLoop = false }
 
 type IlxGenResults =
     { ilTypeDefs: ILTypeDef list

diff --git a/src/fsharp/fsi/fsi.fsproj b/src/fsharp/fsi/fsi.fsproj
@@ -34,6 +34,9 @@
     <ProjectReference Include="$(MSBuildThisFileDirectory)..\FSharp.Compiler.Private\FSharp.Compiler.Private.fsproj" />
     <ProjectReference Include="$(MSBuildThisFileDirectory)..\FSharp.Compiler.Interactive.Settings\FSharp.Compiler.Interactive.Settings.fsproj" />
 
+    <!-- only used when '$(TargetFramework)' == 'netstandard2.0' -->
+    <ProjectReference Include="..\FSharp.Build\FSharp.Build.fsproj" Condition="'$(TargetFramework)' == 'netstandard2.0'" />
+
     <!-- only used when '$(TargetFramework)' == 'net472' -->
     <ProjectReference Include="$(MSBuildThisFileDirectory)..\FSharp.Compiler.Server.Shared\FSharp.Compiler.Server.Shared.fsproj" Condition="'$(TargetFramework)' == 'net472'" />
   </ItemGroup>

diff --git a/src/fsharp/xlf/FSComp.txt.cs.xlf b/src/fsharp/xlf/FSComp.txt.cs.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">{0} pro F# {1}</target>
         <note />
       </trans-unit>
       <trans-unit id="optsChecksumAlgorithm">
@@ -154,7 +154,7 @@
       </trans-unit>
       <trans-unit id="useSdkRefs">
         <source>Use reference assemblies for .NET framework references when available (Enabled by default).</source>
-        <target state="new">Use reference assemblies for .NET framework references when available (Enabled by default).</target>
+        <target state="translated">Pro odkazy na rozhraní .NET používejte referenční sestavení, pokud jsou k dispozici (ve výchozím nastavení povolené).</target>
         <note />
       </trans-unit>
       <trans-unit id="yieldUsedInsteadOfYieldBang">
@@ -5559,7 +5559,7 @@
       </trans-unit>
       <trans-unit id="fscDeterministicDebugRequiresPortablePdb">
         <source>Deterministic builds only support portable PDBs (--debug:portable or --debug:embedded)</source>
-        <target state="needs-review-translation">Deterministická sestavení podporují jenom soubory PDB typu Portable (--debug:portable nebo --debug:embedded).</target>
+        <target state="translated">Deterministické buildy podporují jenom přenositelné soubory PDB (--debug:portable nebo --debug:embedded)</target>
         <note />
       </trans-unit>
       <trans-unit id="etIllegalCharactersInNamespaceName">
@@ -7174,17 +7174,17 @@
       </trans-unit>
       <trans-unit id="optsPathMap">
         <source>Maps physical paths to source path names output by the compiler</source>
-        <target state="new">Maps physical paths to source path names output by the compiler</target>
+        <target state="translated">Mapuje fyzické cesty na názvy zdrojových cest z výstupu kompilátoru.</target>
         <note />
       </trans-unit>
       <trans-unit id="fscPathMapDebugRequiresPortablePdb">
         <source>--pathmap can only be used with portable PDBs (--debug:portable or --debug:embedded)</source>
-        <target state="new">--pathmap can only be used with portable PDBs (--debug:portable or --debug:embedded)</target>
+        <target state="translated">Parametr --pathmap se může používat jenom s přenositelnými soubory PDB (--debug:portable nebo --debug:embedded)</target>
         <note />
       </trans-unit>
       <trans-unit id="optsInvalidPathMapFormat">
         <source>Invalid path map. Mappings must be comma separated and of the format 'path=sourcePath'</source>
-        <target state="new">Invalid path map. Mappings must be comma separated and of the format 'path=sourcePath'</target>
+        <target state="translated">Neplatná mapa cest. Mapování musí být oddělená čárkami a používat formát cesta=zdrojováCesta.</target>
         <note />
       </trans-unit>
     </body>

diff --git a/src/fsharp/xlf/FSComp.txt.de.xlf b/src/fsharp/xlf/FSComp.txt.de.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">{0} für F# {1}</target>
         <note />
       </trans-unit>
       <trans-unit id="optsChecksumAlgorithm">
@@ -154,7 +154,7 @@
       </trans-unit>
       <trans-unit id="useSdkRefs">
         <source>Use reference assemblies for .NET framework references when available (Enabled by default).</source>
-        <target state="new">Use reference assemblies for .NET framework references when available (Enabled by default).</target>
+        <target state="translated">Verweisassemblys für .NET Framework-Verweise verwenden, wenn verfügbar (standardmäßig aktiviert).</target>
         <note />
       </trans-unit>
       <trans-unit id="yieldUsedInsteadOfYieldBang">
@@ -5559,7 +5559,7 @@
       </trans-unit>
       <trans-unit id="fscDeterministicDebugRequiresPortablePdb">
         <source>Deterministic builds only support portable PDBs (--debug:portable or --debug:embedded)</source>
-        <target state="needs-review-translation">Deterministische Builds unterstützen nur portierbare PDbs ("--debug:portable" oder "--debug:embedded").</target>
+        <target state="translated">Deterministische Builds unterstützen nur portable PDB-Dateien (--debug:portable oder --debug:embedded)</target>
         <note />
       </trans-unit>
       <trans-unit id="etIllegalCharactersInNamespaceName">
@@ -7174,17 +7174,17 @@
       </trans-unit>
       <trans-unit id="optsPathMap">
         <source>Maps physical paths to source path names output by the compiler</source>
-        <target state="new">Maps physical paths to source path names output by the compiler</target>
+        <target state="translated">Ordnet der Ausgabe von Quellpfadnamen des Compilers physische Pfade zu</target>
         <note />
       </trans-unit>
       <trans-unit id="fscPathMapDebugRequiresPortablePdb">
         <source>--pathmap can only be used with portable PDBs (--debug:portable or --debug:embedded)</source>
-        <target state="new">--pathmap can only be used with portable PDBs (--debug:portable or --debug:embedded)</target>
+        <target state="translated">--pathmap kann nur mit portablen PDB-Dateien verwendet werden (--debug:portable oder --debug:embedded)</target>
         <note />
       </trans-unit>
       <trans-unit id="optsInvalidPathMapFormat">
         <source>Invalid path map. Mappings must be comma separated and of the format 'path=sourcePath'</source>
-        <target state="new">Invalid path map. Mappings must be comma separated and of the format 'path=sourcePath'</target>
+        <target state="translated">Ungültige Pfadzuordnung. Zuordnungen müssen durch Kommas getrennt werden und das Format 'path=sourcePath' aufweisen</target>
         <note />
       </trans-unit>
     </body>

diff --git a/src/fsharp/xlf/FSComp.txt.es.xlf b/src/fsharp/xlf/FSComp.txt.es.xlf
@@ -4,7 +4,7 @@
     <body>
       <trans-unit id="fSharpBannerVersion">
         <source>{0} for F# {1}</source>
-        <target state="new">{0} for F# {1}</target>
+        <target state="translated">{0} para F# {1}</target>
         <note />
       </trans-unit>
       <trans-unit id="optsChecksumAlgorithm">
@@ -124,7 +124,7 @@
       </trans-unit>
       <trans-unit id="followingPatternMatchClauseHasWrongType">
         <source>All branches of a pattern match expression must return values of the same type as the first branch, which here is '{0}'. This branch returns a value of type '{1}'.</source>
-        <target state="new">All branches of a pattern match expression must return values of the same type as the first branch, which here is '{0}'. This branch returns a value of type '{1}'.</target>
+        <target state="translated">Todas las ramas de una expresión de coincidencia de patrón deben devolver valores del mismo tipo. La primera rama devolvió un valor de tipo "{0}", pero esta rama devolvió un valor de tipo "\{1 \}".</target>
         <note />
       </trans-unit>
       <trans-unit id="patternMatchGuardIsNotBool">
@@ -154,7 +154,7 @@
       </trans-unit>
       <trans-unit id="useSdkRefs">
         <source>Use reference assemblies for .NET framework references when available (Enabled by default).</source>
-        <target state="new">Use reference assemblies for .NET framework references when available (Enabled by default).</target>
+        <target state="translated">Use ensamblados de referencia para las referencias de .NET Framework cuando estén disponibles (habilitado de forma predeterminada).</target>
         <note />
       </trans-unit>
       <trans-unit id="yieldUsedInsteadOfYieldBang">
@@ -5559,7 +5559,7 @@
       </trans-unit>
       <trans-unit id="fscDeterministicDebugRequiresPortablePdb">
         <source>Deterministic builds only support portable PDBs (--debug:portable or --debug:embedded)</source>
-        <target state="needs-review-translation">Las compilaciones deterministas solo admiten PDB portátiles (--debug:portable o --debug:embedded)</target>
+        <target state="translated">Las compilaciones deterministas solo admiten PDB portátiles (--Debug: portable o--Debug: embedded)</target>
         <note />
       </trans-unit>
       <trans-unit id="etIllegalCharactersInNamespaceName">
@@ -7174,17 +7174,17 @@
       </trans-unit>
       <trans-unit id="optsPathMap">
         <source>Maps physical paths to source path names output by the compiler</source>
-        <target state="new">Maps physical paths to source path names output by the compiler</target>
+        <target state="translated">Asigna rutas físicas de acceso a nombres de ruta de origen resultantes del compilador</target>
         <note />
       </trans-unit>
       <trans-unit id="fscPathMapDebugRequiresPortablePdb">
         <source>--pathmap can only be used with portable PDBs (--debug:portable or --debug:embedded)</source>
-        <target state="new">--pathmap can only be used with portable PDBs (--debug:portable or --debug:embedded)</target>
+        <target state="translated">--pathmap solo se puede utilizar con PDB portátiles (--Debug:portable o --Debug:embedded)</target>
         <note />
       </trans-unit>
       <trans-unit id="optsInvalidPathMapFormat">
         <source>Invalid path map. Mappings must be comma separated and of the format 'path=sourcePath'</source>
-        <target state="new">Invalid path map. Mappings must be comma separated and of the format 'path=sourcePath'</target>
+        <target state="translated">Mapa de ruta no válido. Las asignaciones deben estar separadas por comas y tener el formato "path=rutaOrigen"</target>
         <note />
       </trans-unit>
     </body>