id summary reporter owner description type status milestone component version severity resolution keywords cc 9315 boost shared_ptr should detect __sync support in clang vlovich@… Peter Dimov clang (at least as of 3.4) has support for GCC __sync functions. shared_ptr should properly detect that clang has such support (at least on ARM such support is not detected properly). Bugs new To Be Determined smart_ptr Boost 1.54.0 Problem