Bug 1232696 - Remove NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW as it causes segfaulting for GCC 6 builds (4 of 5, fixes for parser/). r=hsivonen.

parser/html/nsHtml5TreeOpExecutor.cpp

@@ -65,10 +65,16 @@ static nsITimer* gFlushTimer = nullptr;
 
 nsHtml5TreeOpExecutor::nsHtml5TreeOpExecutor()
   : nsHtml5DocumentBuilder(false)
+  , mSuppressEOF(false)
+  , mReadingFromStage(false)
+  , mStreamParser(nullptr)
   , mPreloadedURLs(23)  // Mean # of preloadable resources per page on dmoz
   , mSpeculationReferrerPolicy(mozilla::net::RP_Unset)
+  , mStarted(false)
+  , mRunFlushLoopOnStack(false)
+  , mCallContinueInterruptedParsingIfEnabled(false)
+  , mAlreadyComplainedAboutCharset(false)
 {
-  // zeroing operator new for everything else
 }
 
 nsHtml5TreeOpExecutor::~nsHtml5TreeOpExecutor()