Regex: previous fix could go into infinite loop when a comment was followed by a "(", fix that.

jzmaddock · jzmaddock · commit 3693a5de10c3 · 2017-10-26T13:05:33.000+01:00
diff --git a/include/boost/regex/v4/basic_regex_parser.hpp b/include/boost/regex/v4/basic_regex_parser.hpp
@@ -1104,8 +1104,10 @@ bool basic_regex_parser<charT, traits>::parse_repeat(std::size_t low, std::size_
                      while ((m_position != m_end)
                         && (this->m_traits.syntax_type(*m_position++) != regex_constants::syntax_close_mark)) {
                      }
+                     contin = true;
                   }
-                  contin = true;
+                  else
+                     contin = false;
                }
             }
             else

Original file line number	Diff line number	Diff line change
`@@ -1104,8 +1104,10 @@ bool basic_regex_parser<charT, traits>::parse_repeat(std::size_t low, std::size_`
`1104`	`1104`	`while ((m_position != m_end)`
`1105`	`1105`	`&& (this->m_traits.syntax_type(*m_position++) != regex_constants::syntax_close_mark)) {`
`1106`	`1106`	`}`
	`1107`	`+ contin = true;`
`1107`	`1108`	`}`
`1108`		`- contin = true;`
	`1109`	`+ else`
	`1110`	`+ contin = false;`
`1109`	`1111`	`}`
`1110`	`1112`	`}`
`1111`	`1113`	`else`