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Using the GNU Compiler Collection (GCC)

10.9 Common Misunderstandings with GNU C++

C++ is a complex language and an evolving one, and its standard definition (the ISO C++ standard) was only recently completed. As a result, your C++ compiler may occasionally surprise you, even when its behavior is correct. This section discusses some areas that frequently give rise to questions of this sort.

10.9.1 Declare and Define Static Members		Static member declarations are not definitions
10.9.2 Temporaries May Vanish Before You Expect		Temporaries may vanish before you expect
10.9.3 Implicit Copy-Assignment for Virtual Bases		Copy Assignment operators copy virtual bases twice