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) 1988-2013 Free Software Foundation, Inc. 14 15Permission is granted to copy, distribute and/or modify this document 16under the terms of the GNU Free Documentation License, Version 1.3 or 17any later version published by the Free Software Foundation; with the 18Invariant Sections being ``Funding Free Software'', the Front-Cover 19Texts being (a) (see below), and with the Back-Cover Texts being (b) 20(see below). A copy of the license is included in the section entitled 21``GNU Free Documentation License''. 22 23(a) The FSF's Front-Cover Text is: 24 25 A GNU Manual 26 27(b) The FSF's Back-Cover Text is: 28 29 You have freedom to copy and modify this GNU Manual, like GNU 30 software. Copies published by the Free Software Foundation raise 31 funds for GNU development.--> 32<meta http-equiv="Content-Style-Type" content="text/css"> 33<style type="text/css"><!-- 34 pre.display { font-family:inherit } 35 pre.format { font-family:inherit } 36 pre.smalldisplay { font-family:inherit; font-size:smaller } 37 pre.smallformat { font-family:inherit; font-size:smaller } 38 pre.smallexample { font-size:smaller } 39 pre.smalllisp { font-size:smaller } 40 span.sc { font-variant:small-caps } 41 span.roman { font-family:serif; font-weight:normal; } 42 span.sansserif { font-family:sans-serif; font-weight:normal; } 43--></style> 44<link rel="stylesheet" type="text/css" href="../cs.css"> 45</head> 46<body> 47<div class="node"> 48<a name="C++-Misunderstandings"></a> 49<a name="C_002b_002b-Misunderstandings"></a> 50<p> 51Next: <a rel="next" accesskey="n" href="Non_002dbugs.html#Non_002dbugs">Non-bugs</a>, 52Previous: <a rel="previous" accesskey="p" href="Disappointments.html#Disappointments">Disappointments</a>, 53Up: <a rel="up" accesskey="u" href="Trouble.html#Trouble">Trouble</a> 54<hr> 55</div> 56 57<h3 class="section">11.7 Common Misunderstandings with GNU C++</h3> 58 59<p><a name="index-misunderstandings-in-C_002b_002b-3574"></a><a name="index-surprises-in-C_002b_002b-3575"></a><a name="index-C_002b_002b-misunderstandings-3576"></a>C++ is a complex language and an evolving one, and its standard 60definition (the ISO C++ standard) was only recently completed. As a 61result, your C++ compiler may occasionally surprise you, even when its 62behavior is correct. This section discusses some areas that frequently 63give rise to questions of this sort. 64 65<ul class="menu"> 66<li><a accesskey="1" href="Static-Definitions.html#Static-Definitions">Static Definitions</a>: Static member declarations are not definitions 67<li><a accesskey="2" href="Name-lookup.html#Name-lookup">Name lookup</a>: Name lookup, templates, and accessing members of base classes 68<li><a accesskey="3" href="Temporaries.html#Temporaries">Temporaries</a>: Temporaries may vanish before you expect 69<li><a accesskey="4" href="Copy-Assignment.html#Copy-Assignment">Copy Assignment</a>: Copy Assignment operators copy virtual bases twice 70</ul> 71 72 </body></html> 73 74