<html lang="en"> <head> <title>C++ Misunderstandings - Using the GNU Compiler Collection (GCC)</title> <meta http-equiv="Content-Type" content="text/html"> <meta name="description" content="Using the GNU Compiler Collection (GCC)"> <meta name="generator" content="makeinfo 4.13"> <link title="Top" rel="start" href="index.html#Top"> <link rel="up" href="Trouble.html#Trouble" title="Trouble"> <link rel="prev" href="Disappointments.html#Disappointments" title="Disappointments"> <link rel="next" href="Non_002dbugs.html#Non_002dbugs" title="Non-bugs"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <!-- Copyright (C) 1988-2015 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with the Invariant Sections being ``Funding Free Software'', the Front-Cover Texts being (a) (see below), and with the Back-Cover Texts being (b) (see below). A copy of the license is included in the section entitled ``GNU Free Documentation License''. (a) The FSF's Front-Cover Text is: A GNU Manual (b) The FSF's Back-Cover Text is: You have freedom to copy and modify this GNU Manual, like GNU software. Copies published by the Free Software Foundation raise funds for GNU development.--> <meta http-equiv="Content-Style-Type" content="text/css"> <style type="text/css"><!-- pre.display { font-family:inherit } pre.format { font-family:inherit } pre.smalldisplay { font-family:inherit; font-size:smaller } pre.smallformat { font-family:inherit; font-size:smaller } pre.smallexample { font-size:smaller } pre.smalllisp { font-size:smaller } span.sc { font-variant:small-caps } span.roman { font-family:serif; font-weight:normal; } span.sansserif { font-family:sans-serif; font-weight:normal; } --></style> </head> <body> <div class="node"> <a name="C++-Misunderstandings"></a> <a name="C_002b_002b-Misunderstandings"></a> <p> Next: <a rel="next" accesskey="n" href="Non_002dbugs.html#Non_002dbugs">Non-bugs</a>, Previous: <a rel="previous" accesskey="p" href="Disappointments.html#Disappointments">Disappointments</a>, Up: <a rel="up" accesskey="u" href="Trouble.html#Trouble">Trouble</a> <hr> </div> <h3 class="section">12.7 Common Misunderstandings with GNU C++</h3> <p><a name="index-misunderstandings-in-C_002b_002b-4275"></a><a name="index-surprises-in-C_002b_002b-4276"></a><a name="index-C_002b_002b-misunderstandings-4277"></a>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. <ul class="menu"> <li><a accesskey="1" href="Static-Definitions.html#Static-Definitions">Static Definitions</a>: Static member declarations are not definitions <li><a accesskey="2" href="Name-lookup.html#Name-lookup">Name lookup</a>: Name lookup, templates, and accessing members of base classes <li><a accesskey="3" href="Temporaries.html#Temporaries">Temporaries</a>: Temporaries may vanish before you expect <li><a accesskey="4" href="Copy-Assignment.html#Copy-Assignment">Copy Assignment</a>: Copy Assignment operators copy virtual bases twice </ul> </body></html>