[Interpreter] Make ignition compiler eagerly.

test/cctest/compiler/test-run-bytecode-graph-builder.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <utility>
 
 #include "src/compiler/pipeline.h"
 #include "src/execution.h"
 #include "src/handles.h"
 #include "src/interpreter/bytecode-array-builder.h"
@@ skipping 61 matching lines @@
 
 class BytecodeGraphTester {
  public:
   BytecodeGraphTester(Isolate* isolate, Zone* zone, const char* script,
                       const char* filter = kFunctionName)
       : isolate_(isolate), zone_(zone), script_(script) {
     i::FLAG_ignition = true;
     i::FLAG_always_opt = false;
     i::FLAG_allow_natives_syntax = true;
     i::FLAG_loop_assignment_analysis = false;
-    // Set ignition filter flag via SetFlagsFromString to avoid double-free
-    // (or potential leak with StrDup() based on ownership confusion).
-    ScopedVector<char> ignition_filter(64);
-    SNPrintF(ignition_filter, "--ignition-filter=%s", filter);
-    FlagList::SetFlagsFromString(ignition_filter.start(),
-                                 ignition_filter.length());
     // Ensure handler table is generated.
     isolate->interpreter()->Initialize();
   }
   virtual ~BytecodeGraphTester() {}
 
   template <class... A>
   BytecodeGraphCallable<A...> GetCallable(
       const char* functionName = kFunctionName) {
     return BytecodeGraphCallable<A...>(isolate_, GetFunction(functionName));
   }
@@ skipping 2899 matching lines @@
 
   BytecodeGraphTester tester(isolate, zone, script.start());
   auto callable = tester.GetCallable<>();
   Handle<Object> return_value = callable().ToHandleChecked();
   CHECK(return_value->SameValue(*snippet.return_value()));
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8