merge revision(s) 56363,56365: [Backport #12811]

* load.c (rb_require_safe): SyntaxError created by the parser just
	  has the mesage and needs to set up the backtrace.
	  [ruby-core:77491] [Bug #12811]
	  has the message and needs to set up the backtrace.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@56439 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

load.c

@@ -1043,6 +1043,7 @@ rb_require_safe(VALUE fname, int safe)
     int result = rb_require_internal(fname, safe);
 
     if (result > TAG_RETURN) {
+	if (result == TAG_RAISE) rb_exc_raise(rb_errinfo());
 	JUMP_TAG(result);
     }
     if (result < 0) {

test/ruby/test_require.rb

@@ -182,6 +182,26 @@ class TestRequire < Test::Unit::TestCase
     end
   end
 
+  def assert_syntax_error_backtrace
+    Dir.mktmpdir do |tmp|
+      req = File.join(tmp, "test.rb")
+      File.write(req, "'\n")
+      e = assert_raise_with_message(SyntaxError, /unterminated/) {
+        yield req
+      }
+      assert_not_nil(bt = e.backtrace)
+      assert_not_empty(bt.find_all {|b| b.start_with? __FILE__})
+    end
+  end
+
+  def test_require_syntax_error
+    assert_syntax_error_backtrace {|req| require req}
+  end
+
+  def test_load_syntax_error
+    assert_syntax_error_backtrace {|req| load req}
+  end
+
   def test_define_class
     begin
       require "socket"

version.h

@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.3.2"
 #define RUBY_RELEASE_DATE "2016-10-18"
-#define RUBY_PATCHLEVEL 197
+#define RUBY_PATCHLEVEL 198
 
 #define RUBY_RELEASE_YEAR 2016
 #define RUBY_RELEASE_MONTH 10