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Add noexcept to operator[] for array and deque. This is an extension. We already do this for string and string_view. This should give better codegen inside of noexcept functions.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@356209 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2019-03-14 21:56:57 +00:00
parent 3f377ef16a
commit fa199b9339
4 changed files with 37 additions and 12 deletions
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8
include/array
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@@ -190,9 +190,9 @@ struct _LIBCPP_TEMPLATE_VIS array
// element access:
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14
reference operator[](size_type __n) {return __elems_[__n];}
reference operator[](size_type __n) _NOEXCEPT {return __elems_[__n];}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
const_reference operator[](size_type __n) const {return __elems_[__n];}
const_reference operator[](size_type __n) const _NOEXCEPT {return __elems_[__n];}
_LIBCPP_CONSTEXPR_AFTER_CXX14 reference at(size_type __n);
_LIBCPP_CONSTEXPR_AFTER_CXX11 const_reference at(size_type __n) const;
@@ -303,13 +303,13 @@ struct _LIBCPP_TEMPLATE_VIS array<_Tp, 0>
// element access:
_LIBCPP_INLINE_VISIBILITY
reference operator[](size_type) {
reference operator[](size_type) _NOEXCEPT {
_LIBCPP_ASSERT(false, "cannot call array<T, 0>::operator[] on a zero-sized array");
_LIBCPP_UNREACHABLE();
}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
const_reference operator[](size_type) const {
const_reference operator[](size_type) const _NOEXCEPT {
_LIBCPP_ASSERT(false, "cannot call array<T, 0>::operator[] on a zero-sized array");
_LIBCPP_UNREACHABLE();
}