Pass the initial FiberStatus explicitly for new RubyFiber()

Author: eregon

src/main/java/org/truffleruby/core/fiber/FiberManager.java

@@ -342,7 +342,6 @@ public void safepoint(RubyFiber fromFiber, RubyFiber fiber, SafepointAction acti
     public void start(RubyFiber fiber, Thread javaThread) {
         if (fiber.isRootFiber()) {
             fiber.thread = javaThread;
-            fiber.status = FiberStatus.RESUMED;
         } else {
             // fiber.thread set by createThreadToReceiveFirstMessage()
         }

src/main/java/org/truffleruby/core/fiber/FiberNodes.java

@@ -109,6 +109,7 @@ protected RubyFiber allocate(RubyClass rubyClass) {
                     getContext(),
                     getLanguage(),
                     thread,
+                    FiberStatus.CREATED,
                     "<uninitialized>");
             AllocationTracing.trace(fiber, this);
             return fiber;

src/main/java/org/truffleruby/core/fiber/RubyFiber.java

@@ -85,7 +85,7 @@ public enum FiberStatus {
     /** the most recently-resumed Fiber by this Fiber */
     volatile RubyFiber resumingFiber = null;
     volatile boolean yielding = false;
-    volatile FiberStatus status = FiberStatus.CREATED;
+    volatile FiberStatus status;
     public Thread thread = null;
     public volatile Throwable uncaughtException = null;
     String sourceLocation;
@@ -107,6 +107,7 @@ public RubyFiber(
             RubyContext context,
             RubyLanguage language,
             RubyThread rubyThread,
+            FiberStatus status,
             String sourceLocation) {
         super(rubyClass, shape);
         assert rubyThread != null;
@@ -116,6 +117,7 @@ public RubyFiber(
                 language.basicObjectShape);
         this.catchTags = ArrayHelpers.createEmptyArray(context, language);
         this.rubyThread = rubyThread;
+        this.status = status;
         this.sourceLocation = sourceLocation;
         extensionCallStack = new MarkingService.ExtensionCallStack(null, Nil.INSTANCE);
         handleData = new ValueWrapperManager.HandleBlockHolder();

src/main/java/org/truffleruby/core/thread/RubyThread.java

@@ -25,6 +25,7 @@
 import org.truffleruby.core.InterruptMode;
 import org.truffleruby.core.exception.RubyException;
 import org.truffleruby.core.fiber.RubyFiber;
+import org.truffleruby.core.fiber.RubyFiber.FiberStatus;
 import org.truffleruby.core.hash.HashOperations;
 import org.truffleruby.core.hash.RubyHash;
 import org.truffleruby.core.klass.RubyClass;
@@ -110,6 +111,7 @@ public RubyThread(
                 context,
                 language,
                 this,
+                FiberStatus.RESUMED,
                 "root");
         this.currentFiber = rootFiber;
     }