[GR-18163] Allow Fiber#raise after Fiber#transfer like ruby 3.0

PullRequest: truffleruby/2633

Author: bjfish

CHANGELOG.md

@@ -24,6 +24,7 @@ Compatibility:
 * TruffleRuby now supports the Truffle polyglot Hash interop API.
 * Implement `Fiber#raise` (#2338).
 * Update `File.basename` to return new `String` instances (#2343).
+* Allow `Fiber#raise` after `Fiber#transfer` like Ruby 3.0 (#2342).
 
 Performance:
 

spec/tags/core/fiber/raise_tags.txt

@@ -1 +1,2 @@
 fails:Fiber#raise re-raises a previously rescued exception without overwriting the backtrace
+fails(implemented next):Fiber#raise raises a FiberError if invoked on a transferring Fiber

spec/truffleruby.mspec

@@ -93,6 +93,7 @@ class MSpecScript
 
   set :next, %w[
     spec/ruby/core/mutex/owned_spec.rb
+    spec/ruby/core/fiber/raise_spec.rb
   ]
 
   set :tags_patterns, [

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

@@ -178,7 +178,7 @@ protected Object resume(FiberOperation operation, RubyFiber fiber, Object[] args
                 throw new RaiseException(getContext(), coreExceptions().fiberError("double resume", this));
             }
 
-            if (transferredProfile.profile(fiber.transferred)) {
+            if (operation != FiberOperation.RAISE && transferredProfile.profile(fiber.transferred)) {
                 throw new RaiseException(
                         getContext(),
                         coreExceptions().fiberError("cannot resume transferred Fiber", this));