diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/cpp1z/launder5.C')
-rw-r--r-- | gcc/testsuite/g++.dg/cpp1z/launder5.C | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp1z/launder5.C b/gcc/testsuite/g++.dg/cpp1z/launder5.C new file mode 100644 index 00000000000..483d6f29297 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp1z/launder5.C @@ -0,0 +1,25 @@ +// { dg-do run { target c++11 } } +// { dg-additional-options "-O2" } +// { dg-additional-sources "launder5.cc" } + +#include <cassert> +#include "launder5.h" + +namespace std +{ + template <typename T> + T * + launder (T *p) + { + return __builtin_launder (p); + } +} + + +int +main () +{ + B b{{42}}; + f(b); + assert(std::launder(&b.a)->x == 666); +} |