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Value range propagation now assumes that the this pointer of C++ member functions is non-null. This eliminates common null pointer checks but also breaks some non-conforming code-bases (such as Qt-5, Chromium, KDevelop). As a temporary work-around -fno-delete-null-pointer-checks can be used. Wrong code can be identified by using -fsanitize=undefined.Hach das merkt doch eh keiner, wenn Qt und Chrome nicht mehr gehen! Wer benutzt schon Qt oder Chrome? Niemand!1!!