Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/Wclass-memaccess-4.C @ 144:8f4e72ab4e11
fix segmentation fault caused by nothing next cur_op to end
author | Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp> |
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date | Sun, 23 Dec 2018 21:23:56 +0900 |
parents | 84e7813d76e9 |
children |
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/* PR c++/84850 - missing -Wclass-memaccess for a memcpy in a copy ctor with a non-trivial member { dg-do compile } { dg-options "-Wclass-memaccess -ftrack-macro-expansion=0" } */ typedef __SIZE_TYPE__ size_t; extern "C" void* memcpy (void*, const void*, size_t); struct A { const int &r; A (); A (const A&); virtual ~A (); }; struct C { A a; C (const C&); C& operator= (const C&); }; C::C (const C &c) { memcpy (this, &c, sizeof c); // { dg-warning "\\\[-Wclass-memaccess]" } } C& C::operator= (const C &c) { memcpy (this, &c, sizeof c); // { dg-warning "\\\[-Wclass-memaccess]" } return *this; }