diff options
Diffstat (limited to 'libstdc++-v3/include/bits/allocator.h')
| -rw-r--r-- | libstdc++-v3/include/bits/allocator.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libstdc++-v3/include/bits/allocator.h b/libstdc++-v3/include/bits/allocator.h index f7770165273..a4b80d924d6 100644 --- a/libstdc++-v3/include/bits/allocator.h +++ b/libstdc++-v3/include/bits/allocator.h @@ -179,7 +179,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION allocate(size_t __n) { if (std::__is_constant_evaluated()) - return static_cast<_Tp*>(::operator new(__n * sizeof(_Tp))); + { + if (__builtin_mul_overflow(__n, sizeof(_Tp), &__n)) + std::__throw_bad_array_new_length(); + return static_cast<_Tp*>(::operator new(__n)); + } + return __allocator_base<_Tp>::allocate(__n, 0); } |