Coverity CID 750314 Uninitialized scalar field The field will contain an arbitrary value left over from earlier computations. In nsMathMLmoFrame::​nsMathMLmoFrame(nsStyleContext *): A scalar field is not initialized by the constructor 82protected: 2. uninit_member: Non-static class member mFlags is not initialized in this constructor nor in any functions that it calls. 4. uninit_member: Non-static class member mMinSize is not initialized in this constructor nor in any functions that it calls. CID 750314 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)6. uninit_member: Non-static class member mMaxSize is not initialized in this constructor nor in any functions that it calls. 83 explicit nsMathMLmoFrame(nsStyleContext* aContext) : nsMathMLTokenFrame(aContext) {} 84 virtual ~nsMathMLmoFrame(); 85 86 nsMathMLChar mMathMLChar; // Here is the MathMLChar that will deal with the operator. 1. member_decl: Class member declaration for mFlags. 87 nsOperatorFlags mFlags; 3. member_decl: Class member declaration for mMinSize. 88 float mMinSize; 5. member_decl: Class member declaration for mMaxSize. 89 float mMaxSize; http://searchfox.org/mozilla-central/rev/abe68d5dad139e376d5521ca1d4b7892e1e7f1ba/layout/mathml/nsMathMLmoFrame.h#83 Looks harmless, but we should init these three members to zero in the ctor anyway.

Pushed by cbook@mozilla.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/ec70344f616b A scalar field is not initialized by the constructor. r=karlt