Use standard NoMethodError

Author: pitr-ch

spec/truffle/graal/assert_constant_spec.rb

@@ -11,7 +11,7 @@
 describe "TrufflePrimitive.assert_compilation_constant" do
 
   it "raises a RuntimeError when called dynamically" do
-    -> { tp = TrufflePrimitive; tp.assert_constant(14 + 2) }.should raise_error(RuntimeError)
+    -> { tp = TrufflePrimitive; tp.assert_constant(14 + 2) }.should raise_error(NoMethodError, /syntactically/)
   end
 
   guard -> { !TruffleRuby.jit? } do

spec/truffle/graal/assert_not_compiled_spec.rb

@@ -11,7 +11,7 @@
 describe "TrufflePrimitive.assert_not_compiled" do
 
   it "raises a RuntimeError when called dynamically" do
-    -> { tp = TrufflePrimitive; tp.assert_not_compiled }.should raise_error(RuntimeError)
+    -> { tp = TrufflePrimitive; tp.assert_not_compiled }.should raise_error(NoMethodError, /syntactically/)
   end
 
   guard -> { !TruffleRuby.jit? } do

src/annotations/java/org/truffleruby/builtins/Primitive.java

@@ -28,6 +28,7 @@
 
     /**
      * Raise an error if any of the arguments with a given index is frozen.
+     * Indexation is same as for {@link #lowerFixnum()}.
      */
     int[] raiseIfFrozen() default {};
 

src/main/ruby/truffleruby/core/truffle/truffle_primitive.rb

@@ -11,7 +11,8 @@
 module TrufflePrimitive
 
   def self.method_missing(name, *args, &block)
-    raise "TrufflePrimitive.#{name} has to be called syntactically."
+    raise NoMethodError.new(
+        "TrufflePrimitive.#{name} has to be called syntactically.", name)
   end
 
 end