After r78451 4 http tests assert: http/tests/security/xssAuditor/img-onerror-non-ASCII-char2-default-encoding.html http/tests/security/xssAuditor/img-onerror-non-ASCII-char2.html http/tests/security/xssAuditor/img-onerror-non-ASCII-char-default-encoding.html http/tests/security/xssAuditor/img-onerror-non-ASCII-char.html ASSERTION FAILED: newLength <= m_length ../../../Source/JavaScriptCore/wtf/text/StringBuffer.h(56) : void WTF::StringBuffer::shrink(unsigned int) I saw this assert on GTK and Qt debug bots.
*** This bug has been marked as a duplicate of bug 54386 ***