Fix parsing of bogus comments after end tags (#507)

Author: AcqRel

html5ever/src/tokenizer/mod.rs

@@ -862,8 +862,8 @@ impl<Sink: TokenSink> Tokenizer<Sink> {
                 let c = get_char!(self, input);
                 if self.have_appropriate_end_tag() {
                     match c {
-                        '\t' | '\n' | '\x0C' | ' ' => go!(self: to BeforeAttributeName),
-                        '/' => go!(self: to SelfClosingStartTag),
+                        '\t' | '\n' | '\x0C' | ' ' => go!(self: clear_temp; to BeforeAttributeName),
+                        '/' => go!(self: clear_temp; to SelfClosingStartTag),
                         '>' => go!(self: clear_temp; emit_tag Data),
                         _ => (),
                     }

rcdom/custom-html5lib-tokenizer-tests/regression.test

@@ -39,6 +39,31 @@
 {"description": "Windows newline after bogusname",
 "input": "&0\r\n",
 "output": [["Character", "&0\n"]],
-"errors": []}
+"errors": []},
+
+{"description": "Bogus comment after end tag with space",
+"initialStates": ["Data state", "RCDATA state", "RAWTEXT state", "Script data state"],
+"lastStartTag": "style",
+"input": "</style ><!a>",
+"output": [
+    ["EndTag", "style"],
+    ["Comment", "a"]
+],
+"errors": [
+    {"code": "incorrectly-opened-comment"}
+]},
+
+{"description": "Bogus comment after end tag with solidus",
+"initialStates": ["Data state", "RCDATA state", "RAWTEXT state", "Script data state"],
+"lastStartTag": "style",
+"input": "</style/><!a>",
+"output": [
+    ["EndTag", "style"],
+    ["Comment", "a"]
+],
+"errors": [
+    {"code": "unexpected-solidus-in-tag"},
+    {"code": "incorrectly-opened-comment"}
+]}
 
 ]}