Index: cfe/trunk/lib/StaticAnalyzer/Checkers/MallocChecker.cpp =================================================================== --- cfe/trunk/lib/StaticAnalyzer/Checkers/MallocChecker.cpp +++ cfe/trunk/lib/StaticAnalyzer/Checkers/MallocChecker.cpp @@ -2579,6 +2579,11 @@ return true; } + if (FName == "connectImpl" && + FD->getQualifiedNameAsString() == "QObject::connectImpl") { + return true; + } + // Handle cases where we know a buffer's /address/ can escape. // Note that the above checks handle some special cases where we know that // even though the address escapes, it's still our responsibility to free the Index: cfe/trunk/test/Analysis/Inputs/qt-simulator.h =================================================================== --- cfe/trunk/test/Analysis/Inputs/qt-simulator.h +++ cfe/trunk/test/Analysis/Inputs/qt-simulator.h @@ -1,6 +1,23 @@ #pragma clang system_header +namespace QtPrivate { +struct QSlotObjectBase {}; +} + +namespace Qt { +enum ConnectionType {}; +} + +struct QMetaObject { + struct Connection {}; +}; + struct QObject { + static QMetaObject::Connection connectImpl(const QObject *, void **, + const QObject *, void **, + QtPrivate::QSlotObjectBase *, + Qt::ConnectionType, + const int *, const QMetaObject *); }; struct QEvent { Index: cfe/trunk/test/Analysis/qt_malloc.cpp =================================================================== --- cfe/trunk/test/Analysis/qt_malloc.cpp +++ cfe/trunk/test/Analysis/qt_malloc.cpp @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.deadcode.UnreachableCode,alpha.core.CastSize,unix.Malloc,cplusplus -analyzer-store=region -verify %s +// RUN: %clang_cc1 -std=c++11 -analyze -analyzer-checker=core,alpha.deadcode.UnreachableCode,alpha.core.CastSize,unix.Malloc,cplusplus -analyzer-store=region -verify %s // expected-no-diagnostics #include "Inputs/qt-simulator.h" @@ -13,3 +13,9 @@ QEvent *e4 = new QEvent(QEvent::None); QApplication::postEvent(obj, e4); } + +void connect(QObject *obj) { + obj->connectImpl(nullptr, nullptr, nullptr, nullptr, + new QtPrivate::QSlotObjectBase(), (Qt::ConnectionType)0, + nullptr, nullptr); +}