threads: run ExampleCoreFeaturesThreads on both compiler/interpreter (#2135)

experimental/features_example_test.go

@@ -34,9 +34,7 @@ func ExampleCoreFeaturesThreads() {
 	ctx := context.Background()
 
 	// Threads support must be enabled explicitly in addition to standard V2 features.
-
-	// TODO: currently, only the interpreter is supported for snapshotting.
-	cfg := wazero.NewRuntimeConfigInterpreter().WithCoreFeatures(api.CoreFeaturesV2 | experimental.CoreFeaturesThreads)
+	cfg := wazero.NewRuntimeConfig().WithCoreFeatures(api.CoreFeaturesV2 | experimental.CoreFeaturesThreads)
 
 	r := wazero.NewRuntimeWithConfig(ctx, cfg)
 	defer r.Close(ctx)

internal/engine/wazevo/engine.go

@@ -472,13 +472,6 @@ func (e *engine) compileHostModule(ctx context.Context, module *wasm.Module, lis
 func (e *engine) Close() (err error) {
 	e.mux.Lock()
 	defer e.mux.Unlock()
-
-	for _, cm := range e.compiledModules {
-		cm.functionOffsets = nil
-		cm.module = nil
-		cm.parent = nil
-		cm.executables = nil
-	}
 	e.sortedCompiledModules = nil
 	e.compiledModules = nil
 	e.sharedFunctions = nil