Merge remote-tracking branch 'origin/master' into truffle-head

jruby · Sep 23, 2015 · 6d25089 · 6d25089
2 parents 8fea1ed + 0d3820a
commit 6d25089
Showing 25 changed files with 197 additions and 113 deletions.
diff --git a/core/pom.rb b/core/pom.rb
@@ -45,9 +45,9 @@
   jar 'com.github.jnr:jnr-enxio:0.9', :exclusions => ['com.github.jnr:jnr-ffi']
   jar 'com.github.jnr:jnr-x86asm:1.0.2', :exclusions => ['com.github.jnr:jnr-ffi']
   jar 'com.github.jnr:jnr-unixsocket:0.8', :exclusions => ['com.github.jnr:jnr-ffi']
-  jar 'com.github.jnr:jnr-posix:3.0.15', :exclusions => ['com.github.jnr:jnr-ffi']
+  jar 'com.github.jnr:jnr-posix:3.0.18-SNAPSHOT', :exclusions => ['com.github.jnr:jnr-ffi']
   jar 'com.github.jnr:jnr-constants:0.9.0', :exclusions => ['com.github.jnr:jnr-ffi']
-  jar 'com.github.jnr:jnr-ffi:2.0.4-SNAPSHOT'
+  jar 'com.github.jnr:jnr-ffi:2.0.4'
   jar 'com.github.jnr:jffi:${jffi.version}'
   jar 'com.github.jnr:jffi:${jffi.version}:native'
 

diff --git a/spec/truffle/specs/truffle/primitive/assert_constant_spec.rb b/spec/truffle/specs/truffle/primitive/assert_constant_spec.rb
@@ -15,8 +15,8 @@
   end
 
   unless Truffle.graal?
-    it "returns nil" do
-      Truffle::Primitive.assert_constant(14 + 2).should be_nil
+    it "returns the value of the argument" do
+      Truffle::Primitive.assert_constant(14 + 2).should == 16
     end
   end
 

diff --git a/test/truffle/pe/core/array_pe.rb b/test/truffle/pe/core/array_pe.rb
@@ -6,11 +6,11 @@
 # GNU General Public License version 2
 # GNU Lesser General Public License version 2.1
 
-example "[3, 1, 2][1]"
+example "[3, 1, 2][1]", 1
 
-example "[3, 1, 2].sort[1]"
+example "[3, 1, 2].sort[1]", 2
 
 # why does this fail but the next one work?
-tagged_example "[14].pack('C').getbyte(0)"
+tagged_example "[14].pack('C').getbyte(0)", 14
 
-example "[14].pack('C').getbyte(0) * 2"
+example "[14].pack('C').getbyte(0) * 2", 28
diff --git a/test/truffle/pe/core/binding_pe.rb b/test/truffle/pe/core/binding_pe.rb
@@ -1,9 +1,33 @@
 # Copyright (c) 2015 Oracle and/or its affiliates. All rights reserved. This
 # code is released under a tri EPL/GPL/LGPL license. You can use it,
 # redistribute it and/or modify it under the terms of the:
-# 
+#
 # Eclipse Public License version 1.0
 # GNU General Public License version 2
 # GNU Lesser General Public License version 2.1
 
-example "x = 14; p = Proc.new { }; p.binding.local_variable_get(:x)"
+# why do the tagged_example fail? identity of boxing?
+
+# Kernel#binding
+tagged_example "x = 14; binding.local_variable_get(:x)", 14
+example "x = 14; binding.local_variable_get(:x) * 2", 28
+
+# Proc#binding
+tagged_example "x = 14; p = Proc.new { }; p.binding.local_variable_get(:x)", 14
+example "x = 14; p = Proc.new { }; p.binding.local_variable_get(:x) * 2", 28
+
+# set + get
+tagged_example "b = binding; b.local_variable_set(:x, 14); b.local_variable_get(:x)", 14
+example "b = binding; b.local_variable_set(:x, 14); b.local_variable_get(:x) * 2", 28
+
+# get (2 levels)
+tagged_example "x = 14; y = nil; 1.times { y = binding.local_variable_get(:x) }; y", 14
+example "x = 14; y = nil; 1.times { y = binding.local_variable_get(:x) }; y * 2", 28
+
+# set (2 levels)
+tagged_example "x = 14; 1.times { binding.local_variable_set(:x, 15) }; x", 15
+example "x = 14; 1.times { binding.local_variable_set(:x, 15) }; x * 2", 30
+
+# get + set (2 levels)
+tagged_example "x = 14; y = nil; 1.times { binding.local_variable_set(:x, 15); y = binding.local_variable_get(:x) }; y", 15
+example "x = 14; y = nil; 1.times { binding.local_variable_set(:x, 15); y = binding.local_variable_get(:x) }; y * 2", 30
diff --git a/test/truffle/pe/core/eval_pe.rb b/test/truffle/pe/core/eval_pe.rb
@@ -6,12 +6,12 @@
 # GNU General Public License version 2
 # GNU Lesser General Public License version 2.1
 
-example "eval('14')"
+example "eval('14')", 14
 
-example "eval('14 + 2')"
+example "eval('14 + 2')", 16
 
-example "eval('[1, 2, 3]')[1]"
+example "eval('[1, 2, 3]')[1]", 2
 
-example "eval([1, 2, 3].inspect)[1]"
+example "eval([1, 2, 3].inspect)[1]", 2
 
 counter_example "eval(rand.to_s)"
diff --git a/test/truffle/pe/core/fixnum_pe.rb b/test/truffle/pe/core/fixnum_pe.rb
@@ -6,21 +6,21 @@
 # GNU General Public License version 2
 # GNU Lesser General Public License version 2.1
 
-example "14"
+example "14", 14
 
-example "14 + 2"
-counter_example "14 + 0xfffffffffffffffffffffffffffffff"
-example "14 + 2.0"
+example "14 + 2", 16
+tagged_counter_example "14 + 0xfffffffffffffffffffffffffffffff" # Graal error
+example "14 + 2.0", 16.0
 counter_example "14 + rand"
 
-example "14 * 2"
+example "14 * 2", 28
 counter_example "14 * 0xfffffffffffffffffffffffffffffff"
-example "14 * 2.0"
+example "14 * 2.0", 28.0
 counter_example "14 * rand"
 
-example "14 / 2"
-example "14 / 0xfffffffffffffffffffffffffffffff"
-example "14 / 2.0"
+example "14 / 2", 7
+example "14 / 0xfffffffffffffffffffffffffffffff", 0
+example "14 / 2.0", 7.0
 counter_example "14 / rand"
 
-example "14 <=> 2"
+example "14 <=> 2", 1
diff --git a/test/truffle/pe/core/float_pe.rb b/test/truffle/pe/core/float_pe.rb
@@ -6,19 +6,19 @@
 # GNU General Public License version 2
 # GNU Lesser General Public License version 2.1
 
-example "14.2"
+example "14.2", 14.2
 
-example "14.0 + 2"
+example "14.0 + 2", 16.0
 counter_example "14.0 + 0xfffffffffffffffffffffffffffffff"
-example "14.0 + 2.0"
+example "14.0 + 2.0", 16.0
 counter_example "14.0 + rand"
 
-example "14.0 * 2"
+example "14.0 * 2", 28.0
 counter_example "14.0 * 0xfffffffffffffffffffffffffffffff"
-example "14.0 * 2.0"
+example "14.0 * 2.0", 28.0
 counter_example "14.0 * rand"
 
-example "14.0 / 2"
+example "14.0 / 2", 7.0
 counter_example "14.0 / 0xfffffffffffffffffffffffffffffff"
-example "14.0 / 2.0"
+example "14.0 / 2.0", 7.0
 counter_example "14.0 / rand"
diff --git a/test/truffle/pe/core/frozen_pe.rb b/test/truffle/pe/core/frozen_pe.rb
@@ -0,0 +1,35 @@
+# Copyright (c) 2015 Oracle and/or its affiliates. All rights reserved. This
+# code is released under a tri EPL/GPL/LGPL license. You can use it,
+# redistribute it and/or modify it under the terms of the:
+#
+# Eclipse Public License version 1.0
+# GNU General Public License version 2
+# GNU Lesser General Public License version 2.1
+
+
+example "true.frozen?"
+
+example "false.frozen?"
+
+# int
+example "3.frozen?"
+
+# long
+example "(2**62).frozen?"
+
+# Bignum
+example "(10 ** 100).frozen?"
+
+# float
+example "3.5.frozen?"
+
+# double
+example "(2**62).to_f.frozen?"
+
+example ":symbol.frozen?"
+
+example "nil.frozen?"
+
+example "'abc'.frozen?"
+
+example "'abc'.freeze.frozen?"
diff --git a/test/truffle/pe/core/hash_pe.rb b/test/truffle/pe/core/hash_pe.rb
@@ -6,6 +6,6 @@
 # GNU General Public License version 2
 # GNU Lesser General Public License version 2.1
 
-example "({a: 0, b: 1, c: 2})[:b]"
+example "({a: 0, b: 1, c: 2})[:b]", 1
 
-example "({a: 0, b: 1, c: 2}).map{ |k, v| v }[0]"
+example "({a: 0, b: 1, c: 2}).map{ |k, v| v }[0]", 0
diff --git a/test/truffle/pe/core/method_pe.rb b/test/truffle/pe/core/method_pe.rb
@@ -6,10 +6,5 @@
 # GNU General Public License version 2
 # GNU Lesser General Public License version 2.1
 
-example "1.method(:abs).call"
-example "1.method(:abs).unbind.bind(-2).call"
-
-# These 3 are not constant currently since they produce new objects
-tagged_example "1.method(:abs)"
-tagged_example "1.method(:abs).unbind"
-tagged_example "1.method(:abs).unbind.bind(-2)"
+example "1.method(:abs).call", 1
+example "1.method(:abs).unbind.bind(-2).call", 2
diff --git a/test/truffle/pe/core/objectid_pe.rb b/test/truffle/pe/core/objectid_pe.rb
@@ -6,12 +6,12 @@
 # GNU General Public License version 2
 # GNU Lesser General Public License version 2.1
 
-example "nil.object_id"
+example "nil.object_id", 4
 
-example "true.object_id"
+example "true.object_id", 2
 
-example "false.object_id"
+example "false.object_id", 0
 
-example "14.object_id"
+example "14.object_id", 29
 
-example "(14 + 2).object_id"
+example "(14 + 2).object_id", 33
diff --git a/test/truffle/pe/core/send_pe.rb b/test/truffle/pe/core/send_pe.rb
@@ -6,8 +6,8 @@
 # GNU General Public License version 2
 # GNU Lesser General Public License version 2.1
 
-example "14.send(:*, 2)"
+example "14.send(:*, 2)", 28
 
-example "14.send('*', 2)"
+example "14.send('*', 2)", 28
 
-example "14.send((')'.ord + 1).chr, 2)"
+example "14.send((')'.ord + 1).chr, 2)", 28
diff --git a/test/truffle/pe/core/symbol_pe.rb b/test/truffle/pe/core/symbol_pe.rb
@@ -6,6 +6,6 @@
 # GNU General Public License version 2
 # GNU Lesser General Public License version 2.1
 
-example ":foo"
-example ":foo == :foo"
-example ":foo != :bar"
+example ":foo", :foo
+example ":foo == :foo", true
+example ":foo != :bar", true
diff --git a/test/truffle/pe/core/truefalse_pe.rb b/test/truffle/pe/core/truefalse_pe.rb
@@ -6,5 +6,5 @@
 # GNU General Public License version 2
 # GNU Lesser General Public License version 2.1
 
-example "true"
-example "false"
+example "true", true
+example "false", false
diff --git a/test/truffle/pe/language/closures_pe.rb b/test/truffle/pe/language/closures_pe.rb
@@ -14,4 +14,4 @@ def self.yielder
 
 end
 
-example "x = 14; ClosureFixtures.yielder { x } + 2"
+example "x = 14; ClosureFixtures.yielder { x } + 2", 16
diff --git a/test/truffle/pe/language/constant_pe.rb b/test/truffle/pe/language/constant_pe.rb
@@ -48,14 +48,14 @@ def self.const_missing(const)
   end
 end
 
-example "ConstantFixtures.get_existing"
-example "ConstantFixtures.get"
-example "ConstantFixtures.get_const_get(:A)"
+example "ConstantFixtures.get_existing", Proc
+example "ConstantFixtures.get", 1
+example "ConstantFixtures.get_const_get(:A)", 1
 
 # Internal Graal compiler error
-tagged_example "ConstantFixtures.get_const_get('A')"
+tagged_example "ConstantFixtures.get_const_get('A')", 1
 
-example "ConstantFixtures::Nested.get_nested"
-example "ConstantFixtures::Child.get_inherited"
+example "ConstantFixtures::Nested.get_nested", 1
+example "ConstantFixtures::Child.get_inherited", 2
 
-example "ConstantFixtures::ConstMissing.get_missing"
+example "ConstantFixtures::ConstMissing.get_missing", :NO_SUCH_NAMED_CONSTANT
diff --git a/test/truffle/pe/language/controlflow_pe.rb b/test/truffle/pe/language/controlflow_pe.rb
@@ -6,5 +6,5 @@
 # GNU General Public License version 2
 # GNU Lesser General Public License version 2.1
 
-example "rand < 0.5 ? 14 : 16 - 2"
+example "rand < 0.5 ? 14 : 16 - 2", 14
 counter_example "rand < 0.5 ? 14 : 16 + 2"
diff --git a/test/truffle/pe/language/ivar_pe.rb b/test/truffle/pe/language/ivar_pe.rb
@@ -26,8 +26,8 @@ def reset_b(b)
   end
 end
 
-example "IVarFixtures::Foo.new(1,2).a"
-example "IVarFixtures::Foo.new(1,2).b"
+example "IVarFixtures::Foo.new(1,2).a", 1
+example "IVarFixtures::Foo.new(1,2).b", 2
 
-example "IVarFixtures::Foo.new(1,2).reset_b(42).b"
-example "IVarFixtures::Foo.new(1,2).reset_b([]).b.empty?"
+example "IVarFixtures::Foo.new(1,2).reset_b(42).b", 42
+example "IVarFixtures::Foo.new(1,2).reset_b([]).b.empty?", true
diff --git a/test/truffle/pe/language/metaprogramming_pe.rb b/test/truffle/pe/language/metaprogramming_pe.rb
@@ -26,6 +26,6 @@ def existing_method(a)
 
 end
 
-example "MetaprogrammingFixtures::MethodMissing.new.does_not_exist"
-example "MetaprogrammingFixtures::ClassWithExistingMethod.new.respond_to?(:existing_method)"
-example "MetaprogrammingFixtures::ClassWithExistingMethod.new.send(:existing_method, 14)"
+example "MetaprogrammingFixtures::MethodMissing.new.does_not_exist", 14
+example "MetaprogrammingFixtures::ClassWithExistingMethod.new.respond_to?(:existing_method)", true
+example "MetaprogrammingFixtures::ClassWithExistingMethod.new.send(:existing_method, 15)", 15
diff --git a/test/truffle/pe/language/super_pe.rb b/test/truffle/pe/language/super_pe.rb
@@ -30,8 +30,8 @@ def call_zsuper(n)
   INSTANCE = Child.new
 end
 
-example "SuperFixtures::INSTANCE.call_super(42)"
-example "SuperFixtures::INSTANCE.call_zsuper(24)"
+example "SuperFixtures::INSTANCE.call_super(42)", 84
+example "SuperFixtures::INSTANCE.call_zsuper(24)", 72
 
-example "SuperFixtures::Child.new.call_super(42)"
-example "SuperFixtures::Child.new.call_zsuper(24)"
+example "SuperFixtures::Child.new.call_super(42)", 84
+example "SuperFixtures::Child.new.call_zsuper(24)", 72
diff --git a/test/truffle/pe/macro/pushing_pixels_pe.rb b/test/truffle/pe/macro/pushing_pixels_pe.rb
@@ -35,4 +35,4 @@ def method_missing(method, *args)
 
 end
 
-example "PushingPixelsFixtures::Bar.new.foo(14, 8, 6)"
+example "PushingPixelsFixtures::Bar.new.foo(14, 8, 6)", 22
diff --git a/test/truffle/pe/pe.rb b/test/truffle/pe/pe.rb
@@ -28,41 +28,52 @@
 
 TIMEOUT = 10
 
+TIMEOUT = 10
+
 EXAMPLES = []
 
-def example(code, expected_constant=true, tagged=false)
-  EXAMPLES << [code, expected_constant, tagged]
+def example(code, expected_value, expected_constant=true, tagged=false)
+  EXAMPLES << [code, expected_value, expected_constant, tagged]
+end
+
+def tagged_example(code, expected_value)
+  example(code, expected_value, true, true)
 end
 
 def counter_example(code)
-  example(code, false, false)
+  example(code, nil, false, false)
 end
 
-def tagged_example(code)
-  example(code, false, true)
+def tagged_counter_example(code)
+  example(code, nil, false, true)
 end
 
-example "14"
+example "14", 14
 counter_example "rand"
 
-require_relative 'language/controlflow_pe.rb'
-require_relative 'language/closures_pe.rb'
-require_relative 'language/constant_pe.rb'
-require_relative 'language/ivar_pe.rb'
-require_relative 'language/metaprogramming_pe.rb'
-require_relative 'language/super_pe.rb'
-require_relative 'core/truefalse_pe.rb'
-require_relative 'core/fixnum_pe.rb'
-require_relative 'core/float_pe.rb'
-require_relative 'core/symbol_pe.rb'
-require_relative 'core/method_pe.rb'
-require_relative 'core/array_pe.rb'
-require_relative 'core/hash_pe.rb'
-require_relative 'core/eval_pe.rb'
-require_relative 'core/send_pe.rb'
-require_relative 'core/objectid_pe.rb'
-require_relative 'core/binding_pe.rb'
-require_relative 'macro/pushing_pixels_pe.rb'
+if ARGV.first
+  require File.expand_path(ARGV.first)
+else
+  require_relative 'language/controlflow_pe.rb'
+  require_relative 'language/closures_pe.rb'
+  require_relative 'language/constant_pe.rb'
+  require_relative 'language/ivar_pe.rb'
+  require_relative 'language/metaprogramming_pe.rb'
+  require_relative 'language/super_pe.rb'
+  require_relative 'core/truefalse_pe.rb'
+  require_relative 'core/fixnum_pe.rb'
+  require_relative 'core/float_pe.rb'
+  require_relative 'core/symbol_pe.rb'
+  require_relative 'core/method_pe.rb'
+  require_relative 'core/array_pe.rb'
+  require_relative 'core/hash_pe.rb'
+  require_relative 'core/eval_pe.rb'
+  require_relative 'core/send_pe.rb'
+  require_relative 'core/objectid_pe.rb'
+  require_relative 'core/binding_pe.rb'
+  require_relative 'core/frozen_pe.rb'
+  require_relative 'macro/pushing_pixels_pe.rb'
+end
 
 tested = 0
 failed = 0
@@ -74,15 +85,16 @@ def report(status, code, message = nil)
   puts message ? format(format_str + "\n         %s", status, code, message) : format('%14s: %s', status, code)
 end
 
-EXAMPLES.each do |code, expected_constant, tagged|
+EXAMPLES.each do |code, expected_value, expected_constant, tagged|
   next if tagged
 
   finished = false
 
   test_thread = Thread.new do
     begin
       tested += 1
-      eval "loop { Truffle::Primitive.assert_constant #{code}; Truffle::Primitive.assert_not_compiled; Thread.pass }"
+      value = nil
+      eval "loop { value = Truffle::Primitive.assert_constant begin; #{code}; end; Truffle::Primitive.assert_not_compiled; Thread.pass }"
     rescue RubyTruffleError => e
       if e.message.include? 'Truffle::Primitive.assert_not_compiled'
         constant = true
@@ -101,11 +113,16 @@ def report(status, code, message = nil)
             report 'FAILED', code, "wasn't constant"
             failed += 1
           else
-            report 'OK', code
+            if value == expected_value
+              report 'OK', code
+            else
+              report 'INCORRECT', code, "was: #{value.inspect} and not: #{expected_value.inspect}"
+              failed += 1
+            end
           end
         else
           if constant
-            report 'QUERY', code, "wasn't supposed to be constant but it was"
+            report 'QUERY', code, "wasn't supposed to be constant but it was (#{value.inspect})"
             failed += 1
           else
             report 'OK (counter)', code

diff --git a/tool/jt.rb b/tool/jt.rb
@@ -340,7 +340,8 @@ def test(*args)
   end
 
   def test_pe(*args)
-    run('--graal', *args, 'test/truffle/pe/pe.rb')
+    file = args.pop if args.last and File.exist?(args.last)
+    run('--graal', *args, 'test/truffle/pe/pe.rb', *file)
   end
   private :test_pe
 

diff --git a/truffle/src/main/java/org/jruby/truffle/nodes/core/BindingNodes.java b/truffle/src/main/java/org/jruby/truffle/nodes/core/BindingNodes.java
@@ -52,6 +52,16 @@ public static DynamicObject createBinding(RubyContext context, MaterializedFrame
         return Layouts.BINDING.createBinding(context.getCoreLibrary().getBindingFactory(), bindingFrame);
     }
 
+    public static FrameDescriptor getFrameDescriptor(DynamicObject binding) {
+        assert RubyGuards.isRubyBinding(binding);
+        return Layouts.BINDING.getFrame(binding).getFrameDescriptor();
+    }
+
+    public static MaterializedFrame getDeclarationFrame(DynamicObject binding) {
+        assert RubyGuards.isRubyBinding(binding);
+        return RubyArguments.getDeclarationFrame(Layouts.BINDING.getFrame(binding).getArguments());
+    }
+
     protected static class FrameSlotAndDepth {
         private final FrameSlot slot;
         private final int depth;
@@ -62,11 +72,6 @@ public FrameSlotAndDepth(FrameSlot slot, int depth) {
         }
     }
 
-    public static FrameDescriptor getFrameDescriptor(DynamicObject binding) {
-        assert RubyGuards.isRubyBinding(binding);
-        return Layouts.BINDING.getFrame(binding).getFrameDescriptor();
-    }
-
     public static FrameSlotAndDepth findFrameSlotOrNull(DynamicObject binding, DynamicObject symbol) {
         assert RubyGuards.isRubyBinding(binding);
         assert RubyGuards.isRubySymbol(symbol);
@@ -131,11 +136,11 @@ public LocalVariableGetNode(RubyContext context, SourceSection sourceSection) {
                 "isRubySymbol(symbol)",
                 "symbol == cachedSymbol",
                 "!isLastLine(cachedSymbol)",
-                "getFrameDescriptor(binding) == cachedFrameDescriptor",
+                "compatibleFrames(binding, cachedBinding)",
         }, limit = "getCacheLimit()")
         public Object localVariableGetCached(DynamicObject binding, DynamicObject symbol,
                                              @Cached("symbol") DynamicObject cachedSymbol,
-                                             @Cached("getFrameDescriptor(binding)") FrameDescriptor cachedFrameDescriptor,
+                                             @Cached("binding") DynamicObject cachedBinding,
                                              @Cached("findFrameSlotOrNull(binding, symbol)") FrameSlotAndDepth cachedFrameSlot,
                                              @Cached("createReadNode(cachedFrameSlot)") ReadFrameSlotNode readLocalVariableNode) {
             if (cachedFrameSlot == null) {
@@ -177,6 +182,14 @@ public Object localVariableGetLastLine(DynamicObject binding, DynamicObject symb
             }
         }
 
+        protected boolean compatibleFrames(DynamicObject binding1, DynamicObject binding2) {
+            final FrameDescriptor fd1 = getFrameDescriptor(binding1);
+            final FrameDescriptor fd2 = getFrameDescriptor(binding2);
+
+            return ((fd1 == fd2) || (fd1.getSize() == 0 && fd2.getSize() == 0)) &&
+                    getDeclarationFrame(binding1).getFrameDescriptor() == getDeclarationFrame(binding2).getFrameDescriptor();
+        }
+
         protected ReadFrameSlotNode createReadNode(FrameSlotAndDepth frameSlot) {
             if (frameSlot == null) {
                 return null;

diff --git a/truffle/src/main/java/org/jruby/truffle/nodes/debug/AssertConstantNode.java b/truffle/src/main/java/org/jruby/truffle/nodes/debug/AssertConstantNode.java
@@ -12,7 +12,6 @@
 import com.oracle.truffle.api.CompilerDirectives;
 import com.oracle.truffle.api.dsl.NodeChild;
 import com.oracle.truffle.api.dsl.Specialization;
-import com.oracle.truffle.api.object.DynamicObject;
 import com.oracle.truffle.api.source.SourceSection;
 import org.jruby.truffle.nodes.RubyNode;
 import org.jruby.truffle.runtime.RubyContext;
@@ -29,7 +28,7 @@ public AssertConstantNode(RubyContext context, SourceSection sourceSection) {
     private static volatile boolean[] sideEffect;
 
     @Specialization
-    public DynamicObject assertCompilationConstant(Object value) {
+    public Object assertCompilationConstant(Object value) {
         final boolean[] compilationConstant = new boolean[]{CompilerDirectives.isCompilationConstant(value)};
 
         sideEffect = compilationConstant;
@@ -39,7 +38,7 @@ public DynamicObject assertCompilationConstant(Object value) {
             throw new RaiseException(getContext().getCoreLibrary().internalError("Value in Truffle::Primitive.assert_constant was not constant", this));
         }
 
-        return nil();
+        return value;
     }
 
 }
Original file line number	Diff line number	Diff line change
		@@ -14,4 +14,4 @@ def self.yielder

		end

		example "x = 14; ClosureFixtures.yielder { x } + 2"
		example "x = 14; ClosureFixtures.yielder { x } + 2", 16
Original file line number	Diff line number	Diff line change
		@@ -35,4 +35,4 @@ def method_missing(method, *args)

		end

		example "PushingPixelsFixtures::Bar.new.foo(14, 8, 6)"
		example "PushingPixelsFixtures::Bar.new.foo(14, 8, 6)", 22