[tests] Make assertOptimized()/assertUnoptimized() great again.

test/mjsunit/compiler/concurrent-invalidate-transition-map.js

 // Copyright 2013 the V8 project authors. All rights reserved.
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 // Flags: --track-fields --track-double-fields --allow-natives-syntax
 // Flags: --concurrent-recompilation --block-concurrent-recompilation
+// Flags: --no-always-opt
 
 if (!%IsConcurrentRecompilationSupported()) {
   print("Concurrent recompilation is disabled. Skipping this test.");
   quit();
 }
 
+assertFalse(isAlwaysOptimize());
+
 function new_object() {
   var o = {};
   o.a = 1;
   o.b = 2;
   return o;
 }
 
 function add_field(obj) {
   obj.c = 3;
 }
 var obj1 = new_object();
 var obj2 = new_object();
 add_field(obj1);
 add_field(obj2);
 %OptimizeFunctionOnNextCall(add_field, "concurrent");
 
 var o = new_object();
 // Kick off recompilation.
 add_field(o);
 // Invalidate transition map after compile graph has been created.
 o.c = 2.2;
 // In the mean time, concurrent recompiling is still blocked.
 assertUnoptimized(add_field, "no sync");
 // Let concurrent recompilation proceed.
 %UnblockConcurrentRecompilation();
 // Sync with background thread to conclude optimization that bailed out.
 assertUnoptimized(add_field, "sync");
 // Clear type info for stress runs.
 %ClearFunctionTypeFeedback(add_field);