Move field copying to a better place I guess

Author: andrewbranch

src/compiler/program.ts

@@ -1577,6 +1577,7 @@ namespace ts {
                 newSourceFile.originalFileName = oldSourceFile.originalFileName;
                 newSourceFile.resolvedPath = oldSourceFile.resolvedPath;
                 newSourceFile.fileName = oldSourceFile.fileName;
+                newSourceFile.impliedNodeFormat = oldSourceFile.impliedNodeFormat;
 
                 const packageName = oldProgram.sourceFileToPackageName.get(oldSourceFile.path);
                 if (packageName !== undefined) {

src/services/services.ts

@@ -1124,9 +1124,7 @@ namespace ts {
         }
 
         // Otherwise, just create a new source file.
-        const newSourceFile = createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, sourceFile.languageVersion, version, /*setNodeParents*/ true, sourceFile.scriptKind);
-        newSourceFile.impliedNodeFormat = sourceFile.impliedNodeFormat;
-        return newSourceFile;
+        return createLanguageServiceSourceFile(sourceFile.fileName, scriptSnapshot, sourceFile.languageVersion, version, /*setNodeParents*/ true, sourceFile.scriptKind);
     }
 
     const NoopCancellationToken: CancellationToken = {