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.
llvm-svn: 356209
diff --git a/libcxx/test/std/containers/sequences/array/indexing.pass.cpp b/libcxx/test/std/containers/sequences/array/indexing.pass.cpp
index bf55711..7bc3360 100644
--- a/libcxx/test/std/containers/sequences/array/indexing.pass.cpp
+++ b/libcxx/test/std/containers/sequences/array/indexing.pass.cpp
@@ -12,6 +12,7 @@
// const_reference operator[] (size_type); // constexpr in C++14
// reference at (size_type)
// const_reference at (size_type); // constexpr in C++14
+// Libc++ marks these as noexcept
#include <array>
#include <cassert>
@@ -36,6 +37,8 @@
typedef double T;
typedef std::array<T, 3> C;
C c = {1, 2, 3.5};
+ LIBCPP_ASSERT_NOEXCEPT(c[0]);
+ ASSERT_SAME_TYPE(C::reference, decltype(c[0]));
C::reference r1 = c[0];
assert(r1 == 1);
r1 = 5.5;
@@ -50,6 +53,8 @@
typedef double T;
typedef std::array<T, 3> C;
const C c = {1, 2, 3.5};
+ LIBCPP_ASSERT_NOEXCEPT(c[0]);
+ ASSERT_SAME_TYPE(C::const_reference, decltype(c[0]));
C::const_reference r1 = c[0];
assert(r1 == 1);
C::const_reference r2 = c[2];
@@ -59,6 +64,8 @@
typedef double T;
typedef std::array<T, 0> C;
C c = {};
+ LIBCPP_ASSERT_NOEXCEPT(c[0]);
+ ASSERT_SAME_TYPE(C::reference, decltype(c[0]));
C const& cc = c;
static_assert((std::is_same<decltype(c[0]), T &>::value), "");
static_assert((std::is_same<decltype(cc[0]), const T &>::value), "");
@@ -73,6 +80,8 @@
typedef double T;
typedef std::array<const T, 0> C;
C c = {{}};
+ LIBCPP_ASSERT_NOEXCEPT(c[0]);
+ ASSERT_SAME_TYPE(C::reference, decltype(c[0]));
C const& cc = c;
static_assert((std::is_same<decltype(c[0]), const T &>::value), "");
static_assert((std::is_same<decltype(cc[0]), const T &>::value), "");
@@ -88,6 +97,8 @@
typedef double T;
typedef std::array<T, 3> C;
constexpr C c = {1, 2, 3.5};
+ LIBCPP_ASSERT_NOEXCEPT(c[0]);
+ ASSERT_SAME_TYPE(C::const_reference, decltype(c[0]));
constexpr T t1 = c[0];
static_assert (t1 == 1, "");