Autocorrect and replace Primitive.object_equal with nil argument with Primitive.nil?

Author: andrykonchin

src/main/ruby/truffleruby/core/array.rb

@@ -323,7 +323,7 @@ def cycle(n = nil)
 
     return nil if empty?
 
-    if Primitive.object_equal(nil, n)
+    if Primitive.nil?(n)
       until empty?
         each { |x| yield x }
       end

src/main/ruby/truffleruby/core/kernel.rb

@@ -90,7 +90,7 @@ def Float(obj, exception: true)
   module_function :Float
 
   def Hash(obj)
-    return {} if Primitive.object_equal(obj, nil) || obj == []
+    return {} if Primitive.nil?(obj) || obj == []
 
     if hash = Truffle::Type.rb_check_convert_type(obj, Hash, :to_hash)
       return hash

src/main/ruby/truffleruby/core/rational.rb

@@ -330,7 +330,7 @@ def truncate(precision = 0)
   end
 
   def self.convert(num, den)
-    if Primitive.object_equal(num, nil) || Primitive.object_equal(den, nil)
+    if Primitive.nil?(num) || Primitive.nil?(den)
       raise TypeError, 'cannot convert nil into Rational'
     end
 

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

@@ -12,7 +12,7 @@ module Truffle
   module ComplexOperations
     def self.convert_not_real_arguments(real, imag, exception)
       raise_exception = !Primitive.object_equal(exception, false)
-      if Primitive.object_equal(nil, real) || Primitive.object_equal(nil, imag)
+      if Primitive.nil?(real) || Primitive.nil?(imag)
         return nil unless raise_exception
         raise TypeError, "can't convert nil into Complex"
       end

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

@@ -127,7 +127,7 @@ def self.message_and_class(exception, highlight)
     end
 
     def self.full_message(exception, highlight, order)
-      highlight = if Primitive.object_equal(highlight, nil)
+      highlight = if Primitive.nil?(highlight)
                     Exception.to_tty?
                   else
                     raise ArgumentError, "expected true of false as highlight: #{highlight}" unless Primitive.object_equal(highlight, true) || Primitive.object_equal(highlight, false)

src/main/ruby/truffleruby/core/truffle/ffi/pointer.rb

@@ -125,7 +125,7 @@ def [](idx)
     end
 
     def ==(other)
-      return true if Primitive.object_equal(nil, other) && null?
+      return true if Primitive.nil?(other) && null?
       return false unless Primitive.object_kind_of?(other, Pointer)
       address == other.address
     end

src/main/ruby/truffleruby/core/truffle/ffi/pointer_access.rb

@@ -628,7 +628,7 @@ def put_array_of_double(offset, ary)
   private def get_pointer_value(value)
     if Primitive.object_kind_of?(value, Truffle::FFI::Pointer)
       value.address
-    elsif Primitive.object_equal(nil, value)
+    elsif Primitive.nil?(value)
       0
     elsif Primitive.object_kind_of?(value, Integer)
       value

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

@@ -32,7 +32,7 @@ def self.puts(io, *args)
         io.write DEFAULT_RECORD_SEPARATOR
       else
         args.each do |arg|
-          if Primitive.object_equal(arg, nil)
+          if Primitive.nil?(arg)
             str = ''
           elsif Primitive.object_kind_of?(arg, String)
             # might be a Foreign String we need to convert