James Peach created MESOS-9002:
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Summary: Mem access error in os::Fork::Tree
Key: MESOS-9002
URL: https://issues.apache.org/jira/browse/MESOS-9002
Project: Mesos
Issue Type: Task
Reporter: James Peach
Building Mesos with gcc 8.1 (Fedora 28)
{noformat}
../../3rdparty/stout/include/stout/os/posix/fork.hpp: In member function ‘pid_t
os::Fork::instantiate(const os::Fork::Tree&) const’:
../../3rdparty/stout/include/stout/os/posix/fork.hpp:354:61: error: ‘void*
memcpy(void*, const void*, size_t)’ writing to an object of type ‘using
element_type = std::remove_extent<os::Fork::Tree::Memory>::type’ {aka ‘struct
os::Fork::Tree::Memory’} with no trivial copy-assignment
[-Werror=class-memaccess]
memcpy(tree.memory.get(), &process, sizeof(Tree::Memory));
^
../../3rdparty/stout/include/stout/os/posix/fork.hpp:235:12: note: ‘using
element_type = std::remove_extent<os::Fork::Tree::Memory>::type’ {aka ‘struct
os::Fork::Tree::Memory’} declared here
struct Memory {
^~~~~~
{noformat}
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