mponent: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: zhouyan at me dot com
Target Milestone: ---
Here is a minimal example,
#include
#ifdef major
#error
#endif
The example check if there's a macro named "major" defined. I observed this
recently when
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64318
--- Comment #4 from zhouyan at me dot com ---
The new example can be unsafe, if the constructor of the two classes are
unsafe. However, I went through the source of before (during 4.8, 4.9
release), unless something changed, it's not the case.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64318
--- Comment #3 from zhouyan at me dot com ---
Here is version that shall be thread-safe, that produce the same problem,
#include
int main ()
{
_Cilk_for (int i = 0; i != 1; ++i) {
std::mt19937 eng(i);
std
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64318
--- Comment #1 from zhouyan at me dot com ---
I forgot to mention that, the system is CentOS 7 (with all updates)
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: zhouyan at me dot com
Below is a minimum example,
#include
int main ()
{
std::mt19937 eng;
std::normal_distribution<> rnorm;
_Cilk_for (int i = 0; i != 1; ++ i)
