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Enhance tests coverage and report output
2024-04-30 12:00:24 +00:00
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>LCOV - coverage.info - usr/include/c++/13/new</title>
<link rel="stylesheet" type="text/css" href="../../../../gcov.css">
</head>
<body>
<table width="100%" border=0 cellspacing=0 cellpadding=0>
<tr><td class="title">LCOV - code coverage report</td></tr>
<tr><td class="ruler"><img src="../../../../glass.png" width=3 height=3 alt=""></td></tr>
<tr>
<td width="100%">
<table cellpadding=1 border=0 width="100%">
<tr>
<td width="10%" class="headerItem">Current view:</td>
<td width="10%" class="headerValue"><a href="../../../../index.html">top level</a> - <a href="index.html">/usr/include/c++/13</a> - new<span style="font-size: 80%;"> (source / <a href="new.func-c.html">functions</a>)</span></td>
<td width="5%"></td>
<td width="5%"></td>
<td width="5%" class="headerCovTableHead">Coverage</td>
<td width="5%" class="headerCovTableHead" title="Covered + Uncovered code">Total</td>
<td width="5%" class="headerCovTableHead" title="Exercised code only">Hit</td>
</tr>
<tr>
<td class="headerItem">Test:</td>
<td class="headerValue">coverage.info</td>
<td></td>
<td class="headerItem">Lines:</td>
<td class="headerCovTableEntryLo">66.7&nbsp;%</td>
<td class="headerCovTableEntry">3</td>
<td class="headerCovTableEntry">2</td>
</tr>
<tr>
<td class="headerItem">Test Date:</td>
<td class="headerValue">2024-04-30 13:17:26</td>
<td></td>
<td class="headerItem">Functions:</td>
<td class="headerCovTableEntryLo">50.0&nbsp;%</td>
<td class="headerCovTableEntry">2</td>
<td class="headerCovTableEntry">1</td>
</tr>
<tr><td><img src="../../../../glass.png" width=3 height=3 alt=""></td></tr>
</table>
</td>
</tr>
<tr><td class="ruler"><img src="../../../../glass.png" width=3 height=3 alt=""></td></tr>
</table>
<table cellpadding=0 cellspacing=0 border=0>
<tr>
<td><br></td>
</tr>
<tr>
<td>
<pre class="sourceHeading"> Line data Source code</pre>
<pre class="source">
<span id="L1"><span class="lineNum"> 1</span> : // The -*- C++ -*- dynamic memory management header.</span>
<span id="L2"><span class="lineNum"> 2</span> : </span>
<span id="L3"><span class="lineNum"> 3</span> : // Copyright (C) 1994-2023 Free Software Foundation, Inc.</span>
<span id="L4"><span class="lineNum"> 4</span> : </span>
<span id="L5"><span class="lineNum"> 5</span> : // This file is part of GCC.</span>
<span id="L6"><span class="lineNum"> 6</span> : //</span>
<span id="L7"><span class="lineNum"> 7</span> : // GCC is free software; you can redistribute it and/or modify</span>
<span id="L8"><span class="lineNum"> 8</span> : // it under the terms of the GNU General Public License as published by</span>
<span id="L9"><span class="lineNum"> 9</span> : // the Free Software Foundation; either version 3, or (at your option)</span>
<span id="L10"><span class="lineNum"> 10</span> : // any later version.</span>
<span id="L11"><span class="lineNum"> 11</span> : // </span>
<span id="L12"><span class="lineNum"> 12</span> : // GCC is distributed in the hope that it will be useful,</span>
<span id="L13"><span class="lineNum"> 13</span> : // but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span id="L14"><span class="lineNum"> 14</span> : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span id="L15"><span class="lineNum"> 15</span> : // GNU General Public License for more details.</span>
<span id="L16"><span class="lineNum"> 16</span> : // </span>
<span id="L17"><span class="lineNum"> 17</span> : // Under Section 7 of GPL version 3, you are granted additional</span>
<span id="L18"><span class="lineNum"> 18</span> : // permissions described in the GCC Runtime Library Exception, version</span>
<span id="L19"><span class="lineNum"> 19</span> : // 3.1, as published by the Free Software Foundation.</span>
<span id="L20"><span class="lineNum"> 20</span> : </span>
<span id="L21"><span class="lineNum"> 21</span> : // You should have received a copy of the GNU General Public License and</span>
<span id="L22"><span class="lineNum"> 22</span> : // a copy of the GCC Runtime Library Exception along with this program;</span>
<span id="L23"><span class="lineNum"> 23</span> : // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span>
<span id="L24"><span class="lineNum"> 24</span> : // &lt;http://www.gnu.org/licenses/&gt;.</span>
<span id="L25"><span class="lineNum"> 25</span> : </span>
<span id="L26"><span class="lineNum"> 26</span> : /** @file new</span>
<span id="L27"><span class="lineNum"> 27</span> : * This is a Standard C++ Library header.</span>
<span id="L28"><span class="lineNum"> 28</span> : *</span>
<span id="L29"><span class="lineNum"> 29</span> : * The header @c new defines several functions to manage dynamic memory and</span>
<span id="L30"><span class="lineNum"> 30</span> : * handling memory allocation errors; see</span>
<span id="L31"><span class="lineNum"> 31</span> : * https://gcc.gnu.org/onlinedocs/libstdc++/manual/dynamic_memory.html</span>
<span id="L32"><span class="lineNum"> 32</span> : * for more.</span>
<span id="L33"><span class="lineNum"> 33</span> : */</span>
<span id="L34"><span class="lineNum"> 34</span> : </span>
<span id="L35"><span class="lineNum"> 35</span> : #ifndef _NEW</span>
<span id="L36"><span class="lineNum"> 36</span> : #define _NEW</span>
<span id="L37"><span class="lineNum"> 37</span> : </span>
<span id="L38"><span class="lineNum"> 38</span> : #pragma GCC system_header</span>
<span id="L39"><span class="lineNum"> 39</span> : </span>
<span id="L40"><span class="lineNum"> 40</span> : #include &lt;bits/c++config.h&gt;</span>
<span id="L41"><span class="lineNum"> 41</span> : #include &lt;bits/exception.h&gt;</span>
<span id="L42"><span class="lineNum"> 42</span> : </span>
<span id="L43"><span class="lineNum"> 43</span> : #pragma GCC visibility push(default)</span>
<span id="L44"><span class="lineNum"> 44</span> : </span>
<span id="L45"><span class="lineNum"> 45</span> : extern &quot;C++&quot; {</span>
<span id="L46"><span class="lineNum"> 46</span> : </span>
<span id="L47"><span class="lineNum"> 47</span> : namespace std </span>
<span id="L48"><span class="lineNum"> 48</span> : {</span>
<span id="L49"><span class="lineNum"> 49</span> : /**</span>
<span id="L50"><span class="lineNum"> 50</span> : * @brief Exception possibly thrown by @c new.</span>
<span id="L51"><span class="lineNum"> 51</span> : * @ingroup exceptions</span>
<span id="L52"><span class="lineNum"> 52</span> : *</span>
<span id="L53"><span class="lineNum"> 53</span> : * @c bad_alloc (or classes derived from it) is used to report allocation</span>
<span id="L54"><span class="lineNum"> 54</span> : * errors from the throwing forms of @c new. */</span>
<span id="L55"><span class="lineNum"> 55</span> : class bad_alloc : public exception</span>
<span id="L56"><span class="lineNum"> 56</span> : {</span>
<span id="L57"><span class="lineNum"> 57</span> : public:</span>
<span id="L58"><span class="lineNum"> 58</span> : bad_alloc() throw() { }</span>
<span id="L59"><span class="lineNum"> 59</span> : </span>
<span id="L60"><span class="lineNum"> 60</span> : #if __cplusplus &gt;= 201103L</span>
<span id="L61"><span class="lineNum"> 61</span> : bad_alloc(const bad_alloc&amp;) = default;</span>
<span id="L62"><span class="lineNum"> 62</span> : bad_alloc&amp; operator=(const bad_alloc&amp;) = default;</span>
<span id="L63"><span class="lineNum"> 63</span> : #endif</span>
<span id="L64"><span class="lineNum"> 64</span> : </span>
<span id="L65"><span class="lineNum"> 65</span> : // This declaration is not useless:</span>
<span id="L66"><span class="lineNum"> 66</span> : // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118</span>
<span id="L67"><span class="lineNum"> 67</span> : virtual ~bad_alloc() throw();</span>
<span id="L68"><span class="lineNum"> 68</span> : </span>
<span id="L69"><span class="lineNum"> 69</span> : // See comment in eh_exception.cc.</span>
<span id="L70"><span class="lineNum"> 70</span> : virtual const char* what() const throw();</span>
<span id="L71"><span class="lineNum"> 71</span> : };</span>
<span id="L72"><span class="lineNum"> 72</span> : </span>
<span id="L73"><span class="lineNum"> 73</span> : #if __cplusplus &gt;= 201103L</span>
<span id="L74"><span class="lineNum"> 74</span> : class bad_array_new_length : public bad_alloc</span>
<span id="L75"><span class="lineNum"> 75</span> : {</span>
<span id="L76"><span class="lineNum"> 76</span> : public:</span>
<span id="L77"><span class="lineNum"> 77</span> : bad_array_new_length() throw() { }</span>
<span id="L78"><span class="lineNum"> 78</span> : </span>
<span id="L79"><span class="lineNum"> 79</span> : // This declaration is not useless:</span>
<span id="L80"><span class="lineNum"> 80</span> : // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118</span>
<span id="L81"><span class="lineNum"> 81</span> : virtual ~bad_array_new_length() throw();</span>
<span id="L82"><span class="lineNum"> 82</span> : </span>
<span id="L83"><span class="lineNum"> 83</span> : // See comment in eh_exception.cc.</span>
<span id="L84"><span class="lineNum"> 84</span> : virtual const char* what() const throw();</span>
<span id="L85"><span class="lineNum"> 85</span> : };</span>
<span id="L86"><span class="lineNum"> 86</span> : #endif</span>
<span id="L87"><span class="lineNum"> 87</span> : </span>
<span id="L88"><span class="lineNum"> 88</span> : #if __cpp_aligned_new</span>
<span id="L89"><span class="lineNum"> 89</span> : enum class align_val_t: size_t {};</span>
<span id="L90"><span class="lineNum"> 90</span> : #endif</span>
<span id="L91"><span class="lineNum"> 91</span> : </span>
<span id="L92"><span class="lineNum"> 92</span> : struct nothrow_t</span>
<span id="L93"><span class="lineNum"> 93</span> : {</span>
<span id="L94"><span class="lineNum"> 94</span> : #if __cplusplus &gt;= 201103L</span>
<span id="L95"><span class="lineNum"> 95</span> : explicit nothrow_t() = default;</span>
<span id="L96"><span class="lineNum"> 96</span> : #endif</span>
<span id="L97"><span class="lineNum"> 97</span> : };</span>
<span id="L98"><span class="lineNum"> 98</span> : </span>
<span id="L99"><span class="lineNum"> 99</span> : extern const nothrow_t nothrow;</span>
<span id="L100"><span class="lineNum"> 100</span> : </span>
<span id="L101"><span class="lineNum"> 101</span> : /** If you write your own error handler to be called by @c new, it must</span>
<span id="L102"><span class="lineNum"> 102</span> : * be of this type. */</span>
<span id="L103"><span class="lineNum"> 103</span> : typedef void (*new_handler)();</span>
<span id="L104"><span class="lineNum"> 104</span> : </span>
<span id="L105"><span class="lineNum"> 105</span> : /// Takes a replacement handler as the argument, returns the</span>
<span id="L106"><span class="lineNum"> 106</span> : /// previous handler.</span>
<span id="L107"><span class="lineNum"> 107</span> : new_handler set_new_handler(new_handler) throw();</span>
<span id="L108"><span class="lineNum"> 108</span> : </span>
<span id="L109"><span class="lineNum"> 109</span> : #if __cplusplus &gt;= 201103L</span>
<span id="L110"><span class="lineNum"> 110</span> : /// Return the current new handler.</span>
<span id="L111"><span class="lineNum"> 111</span> : new_handler get_new_handler() noexcept;</span>
<span id="L112"><span class="lineNum"> 112</span> : #endif</span>
<span id="L113"><span class="lineNum"> 113</span> : } // namespace std</span>
<span id="L114"><span class="lineNum"> 114</span> : </span>
<span id="L115"><span class="lineNum"> 115</span> : //@{</span>
<span id="L116"><span class="lineNum"> 116</span> : /** These are replaceable signatures:</span>
<span id="L117"><span class="lineNum"> 117</span> : * - normal single new and delete (no arguments, throw @c bad_alloc on error)</span>
<span id="L118"><span class="lineNum"> 118</span> : * - normal array new and delete (same)</span>
<span id="L119"><span class="lineNum"> 119</span> : * - @c nothrow single new and delete (take a @c nothrow argument, return</span>
<span id="L120"><span class="lineNum"> 120</span> : * @c NULL on error)</span>
<span id="L121"><span class="lineNum"> 121</span> : * - @c nothrow array new and delete (same)</span>
<span id="L122"><span class="lineNum"> 122</span> : *</span>
<span id="L123"><span class="lineNum"> 123</span> : * Placement new and delete signatures (take a memory address argument,</span>
<span id="L124"><span class="lineNum"> 124</span> : * does nothing) may not be replaced by a user's program.</span>
<span id="L125"><span class="lineNum"> 125</span> : */</span>
<span id="L126"><span class="lineNum"> 126</span> : _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)</span>
<span id="L127"><span class="lineNum"> 127</span> : __attribute__((__externally_visible__));</span>
<span id="L128"><span class="lineNum"> 128</span> : _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)</span>
<span id="L129"><span class="lineNum"> 129</span> : __attribute__((__externally_visible__));</span>
<span id="L130"><span class="lineNum"> 130</span> : void operator delete(void*) _GLIBCXX_USE_NOEXCEPT</span>
<span id="L131"><span class="lineNum"> 131</span> : __attribute__((__externally_visible__));</span>
<span id="L132"><span class="lineNum"> 132</span> : void operator delete[](void*) _GLIBCXX_USE_NOEXCEPT</span>
<span id="L133"><span class="lineNum"> 133</span> : __attribute__((__externally_visible__));</span>
<span id="L134"><span class="lineNum"> 134</span> : #if __cpp_sized_deallocation</span>
<span id="L135"><span class="lineNum"> 135</span> : void operator delete(void*, std::size_t) _GLIBCXX_USE_NOEXCEPT</span>
<span id="L136"><span class="lineNum"> 136</span> : __attribute__((__externally_visible__));</span>
<span id="L137"><span class="lineNum"> 137</span> : void operator delete[](void*, std::size_t) _GLIBCXX_USE_NOEXCEPT</span>
<span id="L138"><span class="lineNum"> 138</span> : __attribute__((__externally_visible__));</span>
<span id="L139"><span class="lineNum"> 139</span> : #endif</span>
<span id="L140"><span class="lineNum"> 140</span> : _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&amp;) _GLIBCXX_USE_NOEXCEPT</span>
<span id="L141"><span class="lineNum"> 141</span> : __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));</span>
<span id="L142"><span class="lineNum"> 142</span> : _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&amp;) _GLIBCXX_USE_NOEXCEPT</span>
<span id="L143"><span class="lineNum"> 143</span> : __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));</span>
<span id="L144"><span class="lineNum"> 144</span> : void operator delete(void*, const std::nothrow_t&amp;) _GLIBCXX_USE_NOEXCEPT</span>
<span id="L145"><span class="lineNum"> 145</span> : __attribute__((__externally_visible__));</span>
<span id="L146"><span class="lineNum"> 146</span> : void operator delete[](void*, const std::nothrow_t&amp;) _GLIBCXX_USE_NOEXCEPT</span>
<span id="L147"><span class="lineNum"> 147</span> : __attribute__((__externally_visible__));</span>
<span id="L148"><span class="lineNum"> 148</span> : #if __cpp_aligned_new</span>
<span id="L149"><span class="lineNum"> 149</span> : _GLIBCXX_NODISCARD void* operator new(std::size_t, std::align_val_t)</span>
<span id="L150"><span class="lineNum"> 150</span> : __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));</span>
<span id="L151"><span class="lineNum"> 151</span> : _GLIBCXX_NODISCARD void* operator new(std::size_t, std::align_val_t, const std::nothrow_t&amp;)</span>
<span id="L152"><span class="lineNum"> 152</span> : _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));</span>
<span id="L153"><span class="lineNum"> 153</span> : void operator delete(void*, std::align_val_t)</span>
<span id="L154"><span class="lineNum"> 154</span> : _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</span>
<span id="L155"><span class="lineNum"> 155</span> : void operator delete(void*, std::align_val_t, const std::nothrow_t&amp;)</span>
<span id="L156"><span class="lineNum"> 156</span> : _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</span>
<span id="L157"><span class="lineNum"> 157</span> : _GLIBCXX_NODISCARD void* operator new[](std::size_t, std::align_val_t)</span>
<span id="L158"><span class="lineNum"> 158</span> : __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));</span>
<span id="L159"><span class="lineNum"> 159</span> : _GLIBCXX_NODISCARD void* operator new[](std::size_t, std::align_val_t, const std::nothrow_t&amp;)</span>
<span id="L160"><span class="lineNum"> 160</span> : _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__, __alloc_size__ (1), __malloc__));</span>
<span id="L161"><span class="lineNum"> 161</span> : void operator delete[](void*, std::align_val_t)</span>
<span id="L162"><span class="lineNum"> 162</span> : _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</span>
<span id="L163"><span class="lineNum"> 163</span> : void operator delete[](void*, std::align_val_t, const std::nothrow_t&amp;)</span>
<span id="L164"><span class="lineNum"> 164</span> : _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</span>
<span id="L165"><span class="lineNum"> 165</span> : #if __cpp_sized_deallocation</span>
<span id="L166"><span class="lineNum"> 166</span> : void operator delete(void*, std::size_t, std::align_val_t)</span>
<span id="L167"><span class="lineNum"> 167</span> : _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</span>
<span id="L168"><span class="lineNum"> 168</span> : void operator delete[](void*, std::size_t, std::align_val_t)</span>
<span id="L169"><span class="lineNum"> 169</span> : _GLIBCXX_USE_NOEXCEPT __attribute__((__externally_visible__));</span>
<span id="L170"><span class="lineNum"> 170</span> : #endif // __cpp_sized_deallocation</span>
<span id="L171"><span class="lineNum"> 171</span> : #endif // __cpp_aligned_new</span>
<span id="L172"><span class="lineNum"> 172</span> : </span>
<span id="L173"><span class="lineNum"> 173</span> : // Default placement versions of operator new.</span>
<span id="L174"><span class="lineNum"> 174</span> <span class="tlaGNC tlaBgGNC"> 1073305006 : _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT</span></span>
<span id="L175"><span class="lineNum"> 175</span> <span class="tlaGNC"> 1073305006 : { return __p; }</span></span>
<span id="L176"><span class="lineNum"> 176</span> : _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT</span>
<span id="L177"><span class="lineNum"> 177</span> : { return __p; }</span>
<span id="L178"><span class="lineNum"> 178</span> : </span>
<span id="L179"><span class="lineNum"> 179</span> : // Default placement versions of operator delete.</span>
<span id="L180"><span class="lineNum"> 180</span> <span class="tlaUNC tlaBgUNC"> 0 : inline void operator delete (void*, void*) _GLIBCXX_USE_NOEXCEPT { }</span></span>
<span id="L181"><span class="lineNum"> 181</span> : inline void operator delete[](void*, void*) _GLIBCXX_USE_NOEXCEPT { }</span>
<span id="L182"><span class="lineNum"> 182</span> : //@}</span>
<span id="L183"><span class="lineNum"> 183</span> : } // extern &quot;C++&quot;</span>
<span id="L184"><span class="lineNum"> 184</span> : </span>
<span id="L185"><span class="lineNum"> 185</span> : #if __cplusplus &gt;= 201703L</span>
<span id="L186"><span class="lineNum"> 186</span> : namespace std</span>
<span id="L187"><span class="lineNum"> 187</span> : {</span>
<span id="L188"><span class="lineNum"> 188</span> : #ifdef _GLIBCXX_HAVE_BUILTIN_LAUNDER</span>
<span id="L189"><span class="lineNum"> 189</span> : #define __cpp_lib_launder 201606L</span>
<span id="L190"><span class="lineNum"> 190</span> : /// Pointer optimization barrier [ptr.launder]</span>
<span id="L191"><span class="lineNum"> 191</span> : template&lt;typename _Tp&gt;</span>
<span id="L192"><span class="lineNum"> 192</span> : [[nodiscard]] constexpr _Tp*</span>
<span id="L193"><span class="lineNum"> 193</span> : launder(_Tp* __p) noexcept</span>
<span id="L194"><span class="lineNum"> 194</span> : { return __builtin_launder(__p); }</span>
<span id="L195"><span class="lineNum"> 195</span> : </span>
<span id="L196"><span class="lineNum"> 196</span> : // The program is ill-formed if T is a function type or</span>
<span id="L197"><span class="lineNum"> 197</span> : // (possibly cv-qualified) void.</span>
<span id="L198"><span class="lineNum"> 198</span> : </span>
<span id="L199"><span class="lineNum"> 199</span> : template&lt;typename _Ret, typename... _Args _GLIBCXX_NOEXCEPT_PARM&gt;</span>
<span id="L200"><span class="lineNum"> 200</span> : void launder(_Ret (*)(_Args...) _GLIBCXX_NOEXCEPT_QUAL) = delete;</span>
<span id="L201"><span class="lineNum"> 201</span> : template&lt;typename _Ret, typename... _Args _GLIBCXX_NOEXCEPT_PARM&gt;</span>
<span id="L202"><span class="lineNum"> 202</span> : void launder(_Ret (*)(_Args......) _GLIBCXX_NOEXCEPT_QUAL) = delete;</span>
<span id="L203"><span class="lineNum"> 203</span> : </span>
<span id="L204"><span class="lineNum"> 204</span> : void launder(void*) = delete;</span>
<span id="L205"><span class="lineNum"> 205</span> : void launder(const void*) = delete;</span>
<span id="L206"><span class="lineNum"> 206</span> : void launder(volatile void*) = delete;</span>
<span id="L207"><span class="lineNum"> 207</span> : void launder(const volatile void*) = delete;</span>
<span id="L208"><span class="lineNum"> 208</span> : #endif // _GLIBCXX_HAVE_BUILTIN_LAUNDER</span>
<span id="L209"><span class="lineNum"> 209</span> : </span>
<span id="L210"><span class="lineNum"> 210</span> : #ifdef __GCC_DESTRUCTIVE_SIZE</span>
<span id="L211"><span class="lineNum"> 211</span> : # define __cpp_lib_hardware_interference_size 201703L</span>
<span id="L212"><span class="lineNum"> 212</span> : inline constexpr size_t hardware_destructive_interference_size = __GCC_DESTRUCTIVE_SIZE;</span>
<span id="L213"><span class="lineNum"> 213</span> : inline constexpr size_t hardware_constructive_interference_size = __GCC_CONSTRUCTIVE_SIZE;</span>
<span id="L214"><span class="lineNum"> 214</span> : #endif // __GCC_DESTRUCTIVE_SIZE</span>
<span id="L215"><span class="lineNum"> 215</span> : }</span>
<span id="L216"><span class="lineNum"> 216</span> : #endif // C++17</span>
<span id="L217"><span class="lineNum"> 217</span> : </span>
<span id="L218"><span class="lineNum"> 218</span> : #if __cplusplus &gt; 201703L</span>
<span id="L219"><span class="lineNum"> 219</span> : namespace std</span>
<span id="L220"><span class="lineNum"> 220</span> : {</span>
<span id="L221"><span class="lineNum"> 221</span> : /// Tag type used to declare a class-specific operator delete that can</span>
<span id="L222"><span class="lineNum"> 222</span> : /// invoke the destructor before deallocating the memory.</span>
<span id="L223"><span class="lineNum"> 223</span> : struct destroying_delete_t</span>
<span id="L224"><span class="lineNum"> 224</span> : {</span>
<span id="L225"><span class="lineNum"> 225</span> : explicit destroying_delete_t() = default;</span>
<span id="L226"><span class="lineNum"> 226</span> : };</span>
<span id="L227"><span class="lineNum"> 227</span> : /// Tag variable of type destroying_delete_t.</span>
<span id="L228"><span class="lineNum"> 228</span> : inline constexpr destroying_delete_t destroying_delete{};</span>
<span id="L229"><span class="lineNum"> 229</span> : }</span>
<span id="L230"><span class="lineNum"> 230</span> : // Only define the feature test macro if the compiler supports the feature:</span>
<span id="L231"><span class="lineNum"> 231</span> : #if __cpp_impl_destroying_delete</span>
<span id="L232"><span class="lineNum"> 232</span> : # define __cpp_lib_destroying_delete 201806L</span>
<span id="L233"><span class="lineNum"> 233</span> : #endif</span>
<span id="L234"><span class="lineNum"> 234</span> : #endif // C++20</span>
<span id="L235"><span class="lineNum"> 235</span> : </span>
<span id="L236"><span class="lineNum"> 236</span> : #pragma GCC visibility pop</span>
<span id="L237"><span class="lineNum"> 237</span> : </span>
<span id="L238"><span class="lineNum"> 238</span> : #endif</span>
</pre>
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