id summary reporter owner description type status milestone component version severity resolution keywords cc 5738 Default-constructed mapped_region address is not NULL Andrey Semashev Ion Gaztañaga On POSIX systems, the default-constructed mapped_region address is initialized with MAP_FAILED constant, which is not 0 (at least, on Linux). This contradicts documentation, which states that the initial address will be 0. Bugs closed To Be Determined interprocess Boost 1.47.0 Regression fixed