diff options
Diffstat (limited to 'libstdc++-v3/include/ext/mt_allocator.h')
| -rw-r--r-- | libstdc++-v3/include/ext/mt_allocator.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libstdc++-v3/include/ext/mt_allocator.h b/libstdc++-v3/include/ext/mt_allocator.h index 5e587ad..6649111 100644 --- a/libstdc++-v3/include/ext/mt_allocator.h +++ b/libstdc++-v3/include/ext/mt_allocator.h @@ -685,6 +685,9 @@ namespace __gnu_cxx { this->_S_initialize_once(); + if (__builtin_expect(__n > this->max_size(), false)) + std::__throw_bad_alloc(); + // Requests larger than _M_max_bytes are handled by operator // new/delete directly. __pool_type& __pool = this->_S_get_pool(); @@ -694,7 +697,7 @@ namespace __gnu_cxx void* __ret = ::operator new(__bytes); return static_cast<_Tp*>(__ret); } - + // Round up to power of 2 and figure out which bin to use. const size_t __which = __pool._M_get_binmap(__bytes); const size_t __thread_id = __pool._M_get_thread_id(); |