dotnet · dsyme · Feb 19, 2019 · Jan 31, 2019 · Feb 19, 2019
diff --git a/src/fsharp/CompileOps.fs b/src/fsharp/CompileOps.fs
@@ -2790,22 +2790,26 @@ type TcConfig private (data : TcConfigBuilder, validate:bool) =
             error(Error(FSComp.SR.buildExplicitCoreLibRequiresNoFramework("--noframework"), rangeStartup))
 
     let ilGlobals = mkILGlobals ILScopeRef.Local
+
+    // clrRoot: the location of the primary assembly (mscorlib.dll or netstandard.dll or System.Runtime.dll)
+    //
+    // targetFrameworkVersionValue: Normally just HighestInstalledNetFrameworkVersion()
+    //
+    // Note, when mscorlib.dll has been given explicitly the actual value of
+    // targetFrameworkVersion shouldn't matter since resolution has already happened.
+    // In those cases where it does matter (e.g. --noframework is not being used or we are processing further
+    // resolutions for a script) then it is correct to just use HighestInstalledNetFrameworkVersion().
     let clrRootValue, targetFrameworkVersionValue  = 
         match primaryAssemblyExplicitFilenameOpt with
-        | Some(primaryAssemblyFilename) ->
+        | Some primaryAssemblyFilename ->
             let filename = ComputeMakePathAbsolute data.implicitIncludeDir primaryAssemblyFilename
             try 
-                use ilReader = OpenILBinary(filename, data.reduceMemoryUsage, ilGlobals, None, data.shadowCopyReferences, data.tryGetMetadataSnapshot)
-                let ilModule = ilReader.ILModuleDef
-                match ilModule.ManifestOfAssembly.Version with 
-                | Some(v1, v2, _, _) -> 
-                    let clrRoot = Some(Path.GetDirectoryName(FileSystem.GetFullPathShim(filename)))
-                    clrRoot, (sprintf "v%d.%d" v1 v2)
-                | _ -> 
-                    failwith (FSComp.SR.buildCouldNotReadVersionInfoFromMscorlib())
+                let clrRoot = Some(Path.GetDirectoryName(FileSystem.GetFullPathShim(filename)))
+                clrRoot, data.legacyReferenceResolver.HighestInstalledNetFrameworkVersion()
             with e ->
+                // We no longer expect the above to fail but leaving this just in case
                 error(Error(FSComp.SR.buildErrorOpeningBinaryFile(filename, e.Message), rangeStartup))
-        | _ ->
+        | None ->
 #if !ENABLE_MONO_SUPPORT
             // TODO:  we have to get msbuild out of this
             if data.useSimpleResolution then
@@ -2821,6 +2825,7 @@ type TcConfig private (data : TcConfigBuilder, validate:bool) =
     let fsharpBinariesDirValue = 
 // NOTE: It's not clear why this behaviour has been changed for the NETSTANDARD compilations of the F# compiler
 #if NETSTANDARD1_6 || NETSTANDARD2_0
+        ignore ilGlobals
         data.defaultFSharpBinariesDir
 #else
         match fslibExplicitFilenameOpt with

diff --git a/src/fsharp/FSComp.txt b/src/fsharp/FSComp.txt
@@ -44,7 +44,6 @@ buildProductNameCommunity,"F# Compiler for F# %s"
 213,buildInvalidAssemblyName,"'%s' is not a valid assembly name"
 214,buildInvalidPrivacy,"Unrecognized privacy setting '%s' for managed resource, valid options are 'public' and 'private'"
 215,buildMultipleReferencesNotAllowed,"Multiple references to '%s.dll' are not permitted"
-buildCouldNotReadVersionInfoFromMscorlib,"Could not read version from mscorlib.dll"
 218,buildCannotReadAssembly,"Unable to read assembly '%s'"
 220,buildAssemblyResolutionFailed,"Assembly resolution failure at or near this location"
 221,buildImplicitModuleIsNotLegalIdentifier,"The declarations in this file will be placed in an implicit module '%s' based on the file name '%s'. However this is not a valid F# identifier, so the contents will not be accessible from other files. Consider renaming the file or adding a 'module' or 'namespace' declaration at the top of the file."

diff --git a/src/fsharp/SimulatedMSBuildReferenceResolver.fs b/src/fsharp/SimulatedMSBuildReferenceResolver.fs
@@ -147,35 +147,37 @@ let internal SimulatedMSBuildResolver =
                         match n.Version, n.GetPublicKeyToken()  with 
                         | null, _ | _,null -> 
                             let options = 
-                                [ for gacdir in Directory.EnumerateDirectories(gac) do 
-                                    let assdir = Path.Combine(gacdir,n.Name)
-                                    if Directory.Exists(assdir) then 
-                                        for tdir in Directory.EnumerateDirectories(assdir) do 
-                                            let trialPath = Path.Combine(tdir,qual)
-                                            if FileSystem.SafeExists(trialPath) then 
-                                                yield trialPath ]
+                                [ if Directory.Exists(gac) then 
+                                    for gacdir in Directory.EnumerateDirectories(gac) do 
+                                        let assemblyDir = Path.Combine(gacdir,n.Name)
+                                        if Directory.Exists(assemblyDir) then 
+                                            for tdir in Directory.EnumerateDirectories(assemblyDir) do 
+                                                let trialPath = Path.Combine(tdir,qual)
+                                                if FileSystem.SafeExists(trialPath) then 
+                                                    yield trialPath ]
                             //printfn "sorting GAC paths: %A" options
                             options 
                             |> List.sort // puts latest version last
                             |> List.tryLast
                             |> function None -> () | Some p -> success p
 
                         | v,tok -> 
-                            for gacdir in Directory.EnumerateDirectories(gac) do 
-                                //printfn "searching GAC directory: %s" gacdir
-                                let assdir = Path.Combine(gacdir,n.Name)
-                                if Directory.Exists(assdir) then 
-                                    //printfn "searching GAC directory: %s" assdir
-
-                                    let tokText = String.concat "" [| for b in tok -> sprintf "%02x" b |]
-                                    let verdir = Path.Combine(assdir,"v4.0_"+v.ToString()+"__"+tokText)
-                                    //printfn "searching GAC directory: %s" verdir
-
-                                    if Directory.Exists(verdir) then 
-                                        let trialPath = Path.Combine(verdir,qual)
-                                        //printfn "searching GAC: %s" trialPath
-                                        if FileSystem.SafeExists(trialPath) then 
-                                            success trialPath
+                            if Directory.Exists(gac) then 
+                                for gacdir in Directory.EnumerateDirectories(gac) do 
+                                    //printfn "searching GAC directory: %s" gacdir
+                                    let assemblyDir = Path.Combine(gacdir,n.Name)
+                                    if Directory.Exists(assemblyDir) then 
+                                        //printfn "searching GAC directory: %s" assemblyDir
+
+                                        let tokText = String.concat "" [| for b in tok -> sprintf "%02x" b |]
+                                        let verdir = Path.Combine(assemblyDir,"v4.0_"+v.ToString()+"__"+tokText)
+                                        //printfn "searching GAC directory: %s" verdir
+
+                                        if Directory.Exists(verdir) then 
+                                            let trialPath = Path.Combine(verdir,qual)
+                                            //printfn "searching GAC: %s" trialPath
+                                            if FileSystem.SafeExists(trialPath) then 
+                                                success trialPath
                 with e -> logWarningOrError false "SR001" (e.ToString())
 #endif
 

diff --git a/src/fsharp/xlf/FSComp.txt.cs.xlf b/src/fsharp/xlf/FSComp.txt.cs.xlf
@@ -217,11 +217,6 @@
         <target state="translated">Víc odkazů na knihovnu {0}.dll se nepovoluje.</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="translated">Nedala se přečíst verze souboru mscorlib.dll.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="translated">Sestavení {0} se nedá přečíst.</target>

diff --git a/src/fsharp/xlf/FSComp.txt.de.xlf b/src/fsharp/xlf/FSComp.txt.de.xlf
@@ -217,11 +217,6 @@
         <target state="translated">Mehrere Verweise auf "{0}.dll" sind nicht zulässig</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="translated">Version konnte nicht aus "mscorlib.dll" gelesen werden.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="translated">Assembly "{0}" kann nicht gelesen werden.</target>

diff --git a/src/fsharp/xlf/FSComp.txt.en.xlf b/src/fsharp/xlf/FSComp.txt.en.xlf
@@ -217,11 +217,6 @@
         <target state="new">Multiple references to '{0}.dll' are not permitted</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="new">Could not read version from mscorlib.dll</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="new">Unable to read assembly '{0}'</target>

diff --git a/src/fsharp/xlf/FSComp.txt.es.xlf b/src/fsharp/xlf/FSComp.txt.es.xlf
@@ -217,11 +217,6 @@
         <target state="translated">No se permiten varias referencias a '{0}.dll'.</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="translated">No se pudo leer la versión de mscorlib.dll.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="translated">No se puede leer el ensamblado '{0}'.</target>

diff --git a/src/fsharp/xlf/FSComp.txt.fr.xlf b/src/fsharp/xlf/FSComp.txt.fr.xlf
@@ -217,11 +217,6 @@
         <target state="translated">Les références multiples à '{0}.dll' ne sont pas autorisées</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="translated">Impossible de lire la version à partir de mscorlib.dll</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="translated">Impossible de lire l'assembly '{0}'</target>

diff --git a/src/fsharp/xlf/FSComp.txt.it.xlf b/src/fsharp/xlf/FSComp.txt.it.xlf
@@ -217,11 +217,6 @@
         <target state="translated">Non sono consentiti più riferimenti a '{0}.dll'</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="translated">Non è stato possibile leggere la versione da mscorlib.dll</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="translated">Non è possibile leggere l'assembly '{0}'</target>

diff --git a/src/fsharp/xlf/FSComp.txt.ja.xlf b/src/fsharp/xlf/FSComp.txt.ja.xlf
@@ -217,11 +217,6 @@
         <target state="translated">'{0}.dll' に対する複数の参照は許可されていません</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="translated">mscorlib.dll からバージョンを読み取ることができませんでした</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="translated">アセンブリ '{0}' を読み取れません</target>

diff --git a/src/fsharp/xlf/FSComp.txt.ko.xlf b/src/fsharp/xlf/FSComp.txt.ko.xlf
@@ -217,11 +217,6 @@
         <target state="translated">'{0}.dll'에 대한 다중 참조는 허용되지 않습니다.</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="translated">mscorlib.dll에서 버전을 읽을 수 없습니다.</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="translated">'{0}' 어셈블리를 읽을 수 없습니다.</target>

diff --git a/src/fsharp/xlf/FSComp.txt.pl.xlf b/src/fsharp/xlf/FSComp.txt.pl.xlf
@@ -217,11 +217,6 @@
         <target state="translated">Używanie wielu odwołań do pliku „{0}.dll” jest niedozwolone</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="translated">Nie można odczytać wersji z pliku mscorlib.dll</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="translated">Nie można odczytać zestawu „{0}”</target>

diff --git a/src/fsharp/xlf/FSComp.txt.pt-BR.xlf b/src/fsharp/xlf/FSComp.txt.pt-BR.xlf
@@ -217,11 +217,6 @@
         <target state="translated">As referências múltiplas '{0}.dll' não são permitidas</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="translated">Não foi possível ler a versão em mscorlib.dll</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="translated">Não é possível ler o assembly '{0}'</target>

diff --git a/src/fsharp/xlf/FSComp.txt.ru.xlf b/src/fsharp/xlf/FSComp.txt.ru.xlf
@@ -217,11 +217,6 @@
         <target state="translated">Множественные ссылки на файлы "{0}.dll" не допускаются</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="translated">Не удалось прочитать версию из библиотеки mscorlib.dll</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="translated">Не удается прочитать сборку "{0}"</target>

diff --git a/src/fsharp/xlf/FSComp.txt.tr.xlf b/src/fsharp/xlf/FSComp.txt.tr.xlf
@@ -217,11 +217,6 @@
         <target state="translated">Birden çok '{0}.dll' başvurusuna izin verilmiyor</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="translated">Sürüm, mscorlib.dll'den okunamadı</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="translated">'{0}' bütünleştirilmiş kodu okunamıyor</target>

diff --git a/src/fsharp/xlf/FSComp.txt.zh-Hans.xlf b/src/fsharp/xlf/FSComp.txt.zh-Hans.xlf
@@ -217,11 +217,6 @@
         <target state="translated">不允许多次引用“{0}.dll”</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="translated">未能从 mscorlib.dll 读取版本</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="translated">无法读取程序集“{0}”</target>

diff --git a/src/fsharp/xlf/FSComp.txt.zh-Hant.xlf b/src/fsharp/xlf/FSComp.txt.zh-Hant.xlf
@@ -217,11 +217,6 @@
         <target state="translated">不允許多次參考 '{0}.dll'</target>
         <note />
       </trans-unit>
-      <trans-unit id="buildCouldNotReadVersionInfoFromMscorlib">
-        <source>Could not read version from mscorlib.dll</source>
-        <target state="translated">無法從 mscorlib.dll 讀取版本</target>
-        <note />
-      </trans-unit>
       <trans-unit id="buildCannotReadAssembly">
         <source>Unable to read assembly '{0}'</source>
         <target state="translated">無法讀取組件 '{0}'</target>