id summary reporter owner description type status milestone component version severity resolution keywords cc 8851 unused variable warning in opt builds alex@… Daniel James "The following snippet from table.hpp:456 fails my opt build with unused variable warnings, treated as errors: {{{ void swap_allocators(table& other, false_type) { // According to 23.2.1.8, if propagate_on_container_swap is // false the behaviour is undefined unless the allocators // are equal. BOOST_ASSERT(node_alloc() == other.node_alloc()); } }}} Seems that BOOST_ASSERT is compiled away in opt builds. Easy fix, patch included." Bugs closed To Be Determined unordered Boost 1.53.0 Problem fixed