1<html lang="en"> 2<head> 3<title>C++ Misunderstandings - Using the GNU Compiler Collection (GCC)</title> 4<meta http-equiv="Content-Type" content="text/html"> 5<meta name="description" content="Using the GNU Compiler Collection (GCC)"> 6<meta name="generator" content="makeinfo 4.13"> 7<link title="Top" rel="start" href="index.html#Top"> 8<link rel="up" href="Trouble.html#Trouble" title="Trouble"> 9<link rel="prev" href="Disappointments.html#Disappointments" title="Disappointments"> 10<link rel="next" href="Non_002dbugs.html#Non_002dbugs" title="Non-bugs"> 11<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> 12<!-- 13Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 141998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 152010 Free Software Foundation, Inc. 16 17Permission is granted to copy, distribute and/or modify this document 18under the terms of the GNU Free Documentation License, Version 1.3 or 19any later version published by the Free Software Foundation; with the 20Invariant Sections being ``Funding Free Software'', the Front-Cover 21Texts being (a) (see below), and with the Back-Cover Texts being (b) 22(see below). A copy of the license is included in the section entitled 23``GNU Free Documentation License''. 24 25(a) The FSF's Front-Cover Text is: 26 27 A GNU Manual 28 29(b) The FSF's Back-Cover Text is: 30 31 You have freedom to copy and modify this GNU Manual, like GNU 32 software. Copies published by the Free Software Foundation raise 33 funds for GNU development.--> 34<meta http-equiv="Content-Style-Type" content="text/css"> 35<style type="text/css"><!-- 36 pre.display { font-family:inherit } 37 pre.format { font-family:inherit } 38 pre.smalldisplay { font-family:inherit; font-size:smaller } 39 pre.smallformat { font-family:inherit; font-size:smaller } 40 pre.smallexample { font-size:smaller } 41 pre.smalllisp { font-size:smaller } 42 span.sc { font-variant:small-caps } 43 span.roman { font-family:serif; font-weight:normal; } 44 span.sansserif { font-family:sans-serif; font-weight:normal; } 45--></style> 46<link rel="stylesheet" type="text/css" href="../cs.css"> 47</head> 48<body> 49<div class="node"> 50<a name="C++-Misunderstandings"></a> 51<a name="C_002b_002b-Misunderstandings"></a> 52<p> 53Next: <a rel="next" accesskey="n" href="Non_002dbugs.html#Non_002dbugs">Non-bugs</a>, 54Previous: <a rel="previous" accesskey="p" href="Disappointments.html#Disappointments">Disappointments</a>, 55Up: <a rel="up" accesskey="u" href="Trouble.html#Trouble">Trouble</a> 56<hr> 57</div> 58 59<h3 class="section">11.8 Common Misunderstandings with GNU C++</h3> 60 61<p><a name="index-misunderstandings-in-C_002b_002b-3326"></a><a name="index-surprises-in-C_002b_002b-3327"></a><a name="index-C_002b_002b-misunderstandings-3328"></a>C++ is a complex language and an evolving one, and its standard 62definition (the ISO C++ standard) was only recently completed. As a 63result, your C++ compiler may occasionally surprise you, even when its 64behavior is correct. This section discusses some areas that frequently 65give rise to questions of this sort. 66 67<ul class="menu"> 68<li><a accesskey="1" href="Static-Definitions.html#Static-Definitions">Static Definitions</a>: Static member declarations are not definitions 69<li><a accesskey="2" href="Name-lookup.html#Name-lookup">Name lookup</a>: Name lookup, templates, and accessing members of base classes 70<li><a accesskey="3" href="Temporaries.html#Temporaries">Temporaries</a>: Temporaries may vanish before you expect 71<li><a accesskey="4" href="Copy-Assignment.html#Copy-Assignment">Copy Assignment</a>: Copy Assignment operators copy virtual bases twice 72</ul> 73 74 </body></html> 75 76