Apply \r changes in syntax trees

test/fuzz_diff_parser.py

@@ -155,7 +155,6 @@ class FileTests:
             print()
         except Exception:
             print("Issue in file: %s" % self._path)
-            raise
             if debugger:
                 einfo = sys.exc_info()
                 pdb = __import__(debugger)

test/test_diff_parser.py

@@ -960,4 +960,5 @@ def test_random_unicode_characters(differ):
     differ.parse('\x1dĔBϞɛˁşʑ˳˻ȣſéÎ\x90̕ȟòwʘ\x1dĔBϞɛˁşʑ˳˻ȣſéÎ', parsers=1, expect_error_leaves=True)
     differ.parse('\r\r', parsers=1)
     differ.parse("˟Ę\x05À\r   rúƣ@\x8a\x15r()\n", parsers=1, expect_error_leaves=True)
+    differ.parse('a\ntaǁ\rGĒōns__\n\nb', parsers=1)
     differ.parse('')