Default stableTypeOrdering on

Author: jakebailey

src/compiler/checker.ts

@@ -1542,7 +1542,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
     var useUnknownInCatchVariables = getStrictOptionValue(compilerOptions, "useUnknownInCatchVariables");
     var exactOptionalPropertyTypes = compilerOptions.exactOptionalPropertyTypes;
     var noUncheckedSideEffectImports = compilerOptions.noUncheckedSideEffectImports !== false;
-    var stableTypeOrdering = !!compilerOptions.stableTypeOrdering;
+    var stableTypeOrdering = compilerOptions.stableTypeOrdering !== false;
 
     var fileIndexMap = stableTypeOrdering ? new Map(host.getSourceFiles().map((file, i) => [file, i])) : undefined;
 

src/compiler/commandLineParser.ts

@@ -983,7 +983,7 @@ const commandOptionsWithoutBuild: CommandLineOption[] = [
         showInHelp: false,
         category: Diagnostics.Type_Checking,
         description: Diagnostics.Ensure_types_are_ordered_stably_and_deterministically_across_compilations,
-        defaultValueDescription: false,
+        defaultValueDescription: true,
     },
     {
         name: "noImplicitThis",