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C++ language
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Flow control
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alignas (C++11)
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Character - String - nullptr (C++11)
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Contents


The following table presents compiler support for new C++ features. These include C++11, C++14, C++17, and later accepted revisions (C++20/C++2a) to the standard, as well as various technical specifications.

[edit] C++2a features

Note that this list may change, as the draft C++2a standard evolves.

[edit] C++2a core language features

C++2a feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Portland Group (PGI)
Nvidia nvcc
Allow lambda-capture [=, this] P0409R2 8 6 19.22*

10.0.0*

5.1
__VA_OPT__ P0306R4
P1042R1
8 (partial)* 9

10.0.0*

5.1


Designated initializers P0329R4 4.7 (partial)*
8
3.0 (partial)* 19.21* 5.1


template-parameter-list for generic lambdas P0428R2 8 9 19.22* 5.1


Default member initializers for bit-fields P0683R1 8 6

10.0.0*

5.1


Initializer list constructors in class template argument deduction P0702R1 8 6 19.14* 5.0


const&-qualified pointers to members P0704R1 8 6 19.0*

10.0.0*

5.1


Concepts P0734R0 6
(TS only)
Lambdas in unevaluated contexts P0315R4 9


Three-way comparison operator P0515R3 8 (partial)* 19.20* 5.1


Simplifying implicit lambda capture P0588R1 8 5.1


init-statements for range-based for P0614R1 9 8

11.0.0*


Default constructible and assignable stateless lambdas P0624R2 9 8 19.22* 5.1


const mismatch with defaulted copy constructor P0641R2 9 8 5.1


Access checking on specializations P0692R1 Yes 8 (partial)* 5.1


ADL and function templates that are not visible P0846R0 9 9 19.21* 5.1


Less eager instantiation of constexpr functions P0859R0 5.2 (partial)*
9
Attributes [[likely]] and [[unlikely]] P0479R5 9 5.1


Make typename more optional P0634R3 9 5.1


Pack expansion in lambda init-capture P0780R2 9 9 19.22*


Attribute [[no_unique_address]] P0840R2 9 9 5.1


DR: Relaxing the structured bindings customization point finding rules P0961R1 8 8 19.21*

10.0.0*

5.1


DR: Relaxing the range-for loop customization point finding rules P0962R1 8 5.1


DR: Allow structured bindings to accessible members P0969R0 8 8 19.21*

10.0.0*

5.1
Contracts P0542R5


Destroying operator delete P0722R3 9 6

10.0.0*


Class types in non-type template parameters P0732R2 9


Deprecate implicit capture of this via [=] P0806R2 9 19.22* 5.1


explicit(bool) P0892R2 9 9 19.22* 5.1


Integrating feature-test macros P0941R2 5 3.4 19.15* (partial)
19.20*
5.0


Prohibit aggregates with user-declared constructors P1008R1 9 8 19.20*

10.0.0*

5.1


constexpr virtual function P1064R0 9 9 5.1


Consistency improvements for comparisons P1120R0 8 (partial) 19.22*
char8_t P0482R6 9 7 19.22* 5.1


std::is_constant_evaluated() P0595R2 9 9 5.1


constexpr try-catch blocks P1002R1 9 8

10.0.0*

5.1


Immediate functions P1073R3 5.1


Nested inline namespaces P1094R2 9 8 5.1


Yet another approach for constrained declarations P1141R2


Signed integers are two's complement P1236R1 9 9 19.0*


constexpr dynamic_cast and polymorphic typeid P1327R1 9 5.1


Changing the active member of a union inside constexpr P1330R0 9 9 19.10* 5.1
Coroutines P0912R5 8 (partial) 5.1


Parenthesized initialization of aggregates P0960R3 5.1


DR: Array size deduction in new-expressions P1009R2 9 5.1


Modules P1103R3 8 (partial)


Stronger Unicode requirements P1041R4
P1139R2
Yes N/A


<=> != == P1185R2 19.22* 5.1


Explicitly defaulted functions with different exception specifications P1286R2 5.1


Lambda capture and storage class specifiers of structured bindings P1091R3
P1381R1
10 8 (partial) 5.1
C++2a feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Portland Group (PGI)
Nvidia nvcc

[edit] C++2a library features

C++2a feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC
Standard Library
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library
std::endian P0463R1 8 7 19.22*


std::remove_cvref P0550R2 9 6 19.20*


Extending std::make_shared() to support arrays P0674R1
Floating point atomic P0020R6 19.22*


Synchronized buffered ostream P0053R7


constexpr for <algorithm> and <utility> P0202R3 8


More constexpr for <complex> P0415R1 9 7 (partial)


Make std::memory_order a scoped enumeration P0439R0 9 9


String prefix and suffix checking P0457R2 9 6 19.21*


Library support for operator<=> <compare> P0515R3 7 19.20* (partial)


[[nodiscard]] in the standard library P0600R1 9 7 (partial) 19.13* (partial)
19.22*


Utility to convert a pointer to a raw pointer P0653R2 8 6 19.22*


Atomic std::shared_ptr and std::weak_ptr P0718R2
std::span P0122R7 7


Calendar and timezone P0355R7 7 (partial)


<version> P0754R2 9 7 19.22*


Comparing unordered containers P0809R0 16.0*


ConstexprIterator requirements P0858R0 19.11*


std::basic_string::reserve() should not shrink P0966R1 8
std::atomic_ref P0019R8


contains() member function of associative containers P0458R2 9 19.21*


DR: Guaranteed copy elision for piecewise construction P0475R1 9


std::bit_cast() P0476R2


Integral power-of-2 operations P0556R3 9


Improving the return value of erase-like algorithms P0646R1 9 19.21*


std::destroying_delete P0722R3 9 9


std::is_nothrow_convertible P0758R1 9 9


Add shift to <algorithm> P0769R2 19.21*


std::type_identity P0887R1 9 8 19.21*


Concepts library P0898R3


constexpr comparison operators for std::array P1023R0 8
std::unwrap_ref_decay and std::unwrap_reference P0318R1 9 8 19.21*


std::bind_front() P0356R5 9


std::reference_wrapper for incomplete types P0357R3 9 8


Fixing operator>>(basic_istream&, CharT*) P0487R1 8 19.23*


Library support for char8_t P0482R6 9 19.22*


Utility functions to implement uses-allocator construction P0591R4 9


DR: std::variant and std::optional should propagate copy/move triviality P0602R4 8.3 8 19.11*


A sane std::variant converting constructor P0608R3 10 9


std::function's move constructor should be noexcept P0771R1 7.2 6 19.22*


The One Ranges Proposal P0896R4


<chrono> zero(), min(), and max() should be noexcept P0972R0 9 8 19.14*


constexpr in std::pointer_traits P1006R1 9 8


std::assume_aligned() P1007R3 9


Remove comparison operators of std::span P1085R2 8


Make stateful allocator propagation more consistent for operator+(basic_string) P1165R1 10


Consistent container erasure P1209R0 9 8
std::lerp() and std::midpoint() P0811R3 9 9


Usability enhancements for std::span P1024R3 9


DR: Make create_directory() Intuitive P1164R1 8.3 19.20*


std::ssize() and unsigned extent for std::span P1227R2 9


Traits for (un)bounded arrays P1357R0 9 9
C++2a feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC
Standard Library
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library

[edit] C++17 features

[edit] C++17 core language features

C++17 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Portland Group (PGI)
Nvidia nvcc
New auto rules for direct-list-initialization N3922 5 3.8 19.0* Yes 4.10.1 17.0 10.3 17.7
static_assert with no message N3928 6 2.5 19.10* Yes 4.12 18.0 10.3 17.7
typename in a template template parameter N4051 5 3.5 19.0* Yes 4.10.1 17.0 10.3 17.7
Removing trigraphs N4086 5 3.5 16.0* Yes 5.0 19.0.1 10.3
Nested namespace definition N4230 6 3.6 19.0* Yes 4.12 17.0 10.3 17.7
Attributes for namespaces and enumerators N4266 4.9 (partial)*
6
3.6 19.0* Yes 4.11 17.0 10.3 17.7
u8 character literals N4267 6 3.6 19.0* Yes 4.11 17.0 10.3 17.7
Allow constant evaluation for all non-type template arguments N4268 6 3.6 19.12* Yes 5.0 19.0.1 10.3
Fold Expressions N4295 6 3.6 19.12* Yes 4.14 19.0 10.3 18.1
Unary fold expressions and empty parameter packs P0036R0 6 3.9 19.12* Yes 4.14 10.3
Remove Deprecated Use of the register Keyword P0001R1 7 3.8 19.11* Yes 4.13 18.0 10.3 17.7
Remove Deprecated operator++(bool) P0002R1 7 3.8 19.11* Yes 4.13 18.0 10.3 17.7
Make exception specifications part of the type system P0012R1 7 4 19.12* Yes 4.14 19.0 10.3
Aggregate initialization of classes with base classes P0017R1 7 3.9 19.14* Yes 5.0 19.0.1 10.3
__has_include in preprocessor conditionals P0061R1 5 Yes 19.11* Yes 4.13 18.0 10.3 17.7
DR: New specification for inheriting constructors (DR1941 et al) P0136R1 7 3.9 19.14* Yes 10.3
Lambda capture of *this P0018R3 7 3.9 19.11* Yes 4.14 19.0 10.3 18.1
Direct-list-initialization of enumerations P0138R2 7 3.9 19.11* Yes 4.14 18.0 10.3
constexpr lambda expressions P0170R1 7 5 19.11* Yes 4.14 19.0 10.3 18.1
Differing begin and end types in range-based for P0184R0 6 3.9 19.10* Yes 4.12 18.0 10.3 17.7
[[fallthrough]] attribute P0188R1 7 3.9 19.10* Yes 4.13 18.0 10.3 17.7
[[nodiscard]] attribute P0189R1 7 3.9 19.11* Yes 4.13 18.0 10.3 17.7
[[maybe_unused]] attribute P0212R1 7 3.9 19.11* Yes 4.13 18.0 10.3 17.7
Hexadecimal floating-point literals P0245R1 3.0 Yes 19.11* Yes 4.13 18.0 10.3 17.7
Using attribute namespaces without repetition P0028R4 7 3.9 19.11* Yes 4.13 18.0 10.3 17.7
Dynamic memory allocation for over-aligned data P0035R4 7 4 19.12*

10.0.0*

4.14 10.3
Class template argument deduction P0091R3 7 5 19.14* Yes 5.0 19.0.1 10.3 19.1
Non-type template parameters with auto type P0127R2 7 4 19.14* Yes 5.0 19.0.1 10.3 19.1
Guaranteed copy elision P0135R1 7 4 19.13* Yes 5.0 19.0.1 10.3 19.1
Replacement of class objects containing reference members P0137R1 7 6 19.14* Yes 5.0 10.3
Stricter expression evaluation order P0145R3 7 4 19.14* Yes 5.0 19.0.1 10.3
Structured Bindings P0217R3 7 4 19.11* Yes 4.14 19.0 10.3 18.1
Ignore unknown attributes P0283R2 Yes 3.9 19.11* Yes 4.13 18.0 10.3 17.7
constexpr if statements P0292R2 7 3.9 19.11* Yes 4.14 19.0 10.3 18.1
init-statements for if and switch P0305R1 7 3.9 19.11* Yes 4.14 18.0 10.3 18.1
Inline variables P0386R2 7 3.9 19.12* Yes 4.14 19.0 10.3 18.1
Removing Deprecated Exception Specifications from C++17 P0003R5 7 4 19.10* Yes 4.14 19.0 10.3
Pack expansions in using-declarations P0195R2 7 4 19.14* Yes 5.0 10.3
DR: Matching of template template-arguments excludes compatible templates P0522R0 7 4 19.12* Yes 5.0 19.0.1 10.3
C++17 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Portland Group (PGI)
Nvidia nvcc

[edit] C++17 library features

C++17 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC
Standard Library
Apple Clang
Intel Parallel STL
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library
std::void_t N3911 6 3.6 19.0* Yes N/A 10.3
std::uncaught_exceptions() N4259 6 3.7 19.0* Yes N/A
std::size(), std::empty() and std::data() N4280 6 3.6 19.0* Yes N/A 10.3
Improving std::pair and std::tuple N4387 6 4 19.0* Yes N/A 10.3
std::bool_constant N4389 6 3.7 19.0* Yes N/A 10.3
std::shared_mutex (untimed) N4508 6 3.7 19.0* Yes N/A 10.3
Type traits variable templates P0006R0 7 3.8 19.0* Yes N/A 10.3
Logical operator type traits P0013R1 6 3.8 19.0* Yes N/A 10.3
Standardization of Parallelism TS P0024R2 9* 19.14* 18.0*
std::clamp() P0025R0 7 3.9 19.0*

10.0.0*

N/A 10.3
Hardware interference size P0154R1 19.11* N/A
(nothrow-)swappable traits P0185R1 7 3.9 19.0*

10.0.0*

N/A 10.3
File system library P0218R1 8 7 19.14*

11.0.0*

N/A 10.3
std::string_view N3921
P0220R1
7 4 19.10*

10.0.0*

N/A 10.3
std::any P0220R1 7 4 19.10*

10.0.0*

N/A 10.3
std::optional P0220R1 7 4 19.10*

10.0.0*

N/A 10.3
Polymorphic memory resources P0220R1 9 19.13* N/A 10.3
Mathematical special functions P0226R1 7 19.14* N/A 10.3
C++17 should refer to C11 instead of C99 P0063R3 9 7 19.0*
(partial)*
N/A
Splicing Maps and Sets P0083R3 7 8 19.12*

10.0.0*

N/A
std::variant P0088R3 7 4 19.10*

10.0.0*

N/A 10.3
std::make_from_tuple() P0209R2 7 3.9 19.10* Yes N/A 10.3
std::has_unique_object_representations P0258R2 7 6 19.11* Yes N/A 10.3
std::gcd() and std::lcm() P0295R0 7 4 19.11* Yes N/A 10.3
std::not_fn P0005R4
P0358R1
7 3.9 19.12* Yes N/A 10.3
Elementary string conversions P0067R5 8 (no FP) 7 (no FP) 19.14* (no FP)* N/A
std::shared_ptr and std::weak_ptr with array support P0414R2 7 19.12* N/A 10.3
std::scoped_lock P0156R2 7 5 19.11* Yes N/A 10.3
std::byte P0298R3 7 5 19.11* Yes N/A 10.3


std::is_aggregate LWG2911 7 5 19.15* Yes N/A 10.3
C++17 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC
Standard Library
Apple Clang
Intel Parallel STL
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library

[edit] C++14 features

[edit] C++14 core language features

C++14 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Portland Group (PGI)
Nvidia nvcc
Tweaked wording for contextual conversions N3323 4.9 3.4 18.0* Yes 4.9 16.0 13.1.2* 5.15 10.3 8.6 16.1 9.0
Binary literals N3472 4.3 (GNU)
4.9
2.9 19.0* Yes 4.10 11.0 13.1.2* 5.14 10.3 8.6 2015 9.0
decltype(auto), Return type deduction for normal functions N3638 4.8 (partial)*
4.9
3.3 (partial)*
3.4
19.0* Yes 4.9 15.0 13.1.2* 5.15 10.3 8.6 16.1 9.0
Initialized/Generalized lambda captures (init-capture) N3648 4.5 (partial)
4.9
3.4 19.0* Yes 4.10 15.0 5.15 10.3 8.6 16.1 9.0
Generic (polymorphic) lambda expressions N3649 4.9 3.4 19.0* Yes 4.10 16.0 13.1.2* 5.15 10.3 8.6 16.1 9.0
Variable templates N3651 5 3.4 19.0* Yes 4.11 17.0 13.1.2* 5.15 10.3 8.6 17.4 9.0
Extended constexpr N3652 5 3.4 19.10* Yes 4.11 17.0 13.1.2* 5.15 10.3 8.6 17.4 9.0
Member initializers and aggregates (NSDMI) N3653 5 3.3 19.10* Yes 4.9 16.0 5.14 10.3 8.6 16.1 9.0
Clarifying memory allocation (avoiding/fusing allocations) N3664 N/A 3.4 N/A Yes N/A N/A 10.3 8.6 17.4
[[deprecated]] attribute N3760 4.9 3.4 19.0* Yes 4.9 15.0*
16.0
13.1.2* 5.14 10.3 8.6 16.1 9.0
Sized deallocation N3778 5 3.4 19.0* Yes 4.10.1 17.0 5.14 10.3 8.6 16.1
Single quote as digit separator N3781 4.9 3.4 19.0* Yes 4.10 16.0 13.1.2* 5.14 10.3 8.6 2015 9.0
C++14 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Portland Group (PGI)
Nvidia nvcc

[edit] C++14 library features

C++14 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC
Standard Library
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library
constexpr for <complex> N3302 5 3.4 19.0* Yes 5.15 10.3 8.6
std::result_of and SFINAE N3462 5 Yes 19.0* Yes 5.15 10.3 8.6
constexpr for <chrono> N3469 5 3.4 19.0* Yes 5.15 10.3 8.6
constexpr for <array> N3470 5 3.4 19.0* Yes 5.15 10.3 8.6
constexpr for <initializer_list>, <utility> and <tuple> N3471 5 3.4 19.0* Yes 5.15 10.3 8.6
Improved std::integral_constant N3545 5 3.4 19.0* Yes 5.15 10.3 8.6
User-defined literals for <chrono> and <string> N3642 5 3.4 19.0* Yes 5.15 10.3 8.6
Null forward iterators N3644 5 (partial) 3.4 19.0* Yes 5.15 10.3 8.6
std::quoted N3654 5 3.4 19.0* Yes 5.15 10.3 8.6
Heterogeneous associative lookup N3657 5 3.4 19.0* Yes 5.15 10.3 8.6
std::integer_sequence N3658 5 3.4 19.0* Yes 5.15 10.3 8.6
std::shared_timed_mutex N3659 5 3.4 19.0* Yes 5.15 10.3 8.6
std::exchange N3668 5 3.4 19.0* Yes 5.15 10.3 8.6
fixing constexpr member functions without const N3669 5 3.4 19.0* Yes 5.15 10.3 8.6
std::get<T>() N3670 5 3.4 19.0* Yes 5.15 10.3 8.6
Dual-Range std::equal, std::is_permutation, std::mismatch N3671 5 3.4 19.0* Yes 5.15 10.3 8.6
C++14 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC
Standard Library
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library

[edit] C++11 features

[edit] C++11 core language features

C++11 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Portland Group (PGI)
Nvidia nvcc
HP aCC
Digital Mars C++
C99 preprocessor N1653 4.3 Yes 19.0* (partial)* Yes 4.1 11.1 10.1 5.9 Yes 8.4 2015 7.0 A.06.25 Yes
static_assert N1720 4.3 2.9 16.0* Yes 4.1 11.0 11.1 5.13 Yes 8.4 2015 7.0 A.06.25 8.52
Right angle brackets N1757 4.3 Yes 14.0* Yes 4.1 11.0 12.1 5.13 Yes 8.4 2015 7.0
Extended friend declarations N1791 4.7 2.9 16.0* (partial)
18.0*
Yes 4.1 11.1*
12.0
11.1 5.13 Yes 8.4 2015 7.0 A.06.25
long long N1811 Yes Yes 14.0* Yes Yes Yes Yes Yes Yes 8.4 2015 7.0 Yes Yes
Compiler support for type traits N1836 4.3 3.0 14.0* Yes 4.0 10.0 13.1.3 5.13 Yes 8.4 2015 6.16
auto N1984 4.4 Yes 16.0* Yes 3.9 11.0 (v0.9)
12.0
11.1 5.13 Yes 8.4 2015 7.0 A.06.25
Delegating constructors N1986 4.7 3.0 18.0* Yes 4.7 14.0 11.1 5.13 Yes 8.4 2015 7.0 A.06.28
extern template N1987 3.3 Yes 12.0* Yes 3.9 9.0 11.1 5.13 Yes 8.4 2015 7.0 A.06.25
constexpr N2235 4.6 3.1 19.0* (partial) Yes 4.6 13.0*
14.0
12.1*
13.1
5.13 Yes 8.4 2015 7.0 A.06.28
Template aliases N2258 4.7 3.0 18.0* Yes 4.2 12.1 13.1.1* 5.13 Yes 8.4 2015 7.0 A.06.27
char16_t and char32_t N2249 4.4 2.9 19.0* Yes 4.4 12.1*
14.0
13.1.1* 5.13 Yes 8.4 2015 7.0 A.06.27 8.52
alignas N2341 4.8 3.0 19.0* Yes 4.8 15.0 13.1.2* 5.13 Yes 8.6 2015 7.0
alignof N2341 4.5 2.9 19.0* Yes 4.8 15.0 13.1.2* 5.13 Yes 8.4 2015 7.0
Defaulted and deleted functions N2346 4.4 3.0 18.0* Yes 4.1 12.0 13.1 5.13 Yes 8.4 2015 7.0 A.06.25
Strongly-typed enum N2347 4.4 2.9 17.0* Yes 4.0 13.0 12.1 5.13 Yes 8.4 2015 7.0 A.06.25
Atomic operations N2427 4.4 3.1 17.0* Yes Yes 13.0 13.1.2* 5.14 Yes 8.4 2015
nullptr N2431 4.6 2.9 16.0* Yes 4.2 12.1 13.1 5.13 Yes 8.4 2015 7.0 A.06.27 8.52
Explicit conversion operators N2437 4.5 3.0 18.0* Yes 4.4 13.0 12.1 5.13 Yes 8.4 2015 7.0 A.06.27
ref-qualifiers N2439 4.8.1 2.9 19.0* Yes 4.7 14.0 13.1.2* 5.13 Yes 8.4 2015 7.0 A.06.28
Unicode string literals N2442 4.4 3.0 19.0* Yes 4.7 11.0* 10.1*
13.1.1*
5.7 Yes 8.4 2015 7.0 A.06.28 8.52
Raw string literals N2442 4.5 Yes 18.0* Yes 4.7 14.0 13.1.1* 5.13 Yes 8.4 2015 7.0 A.06.28 8.52
Inline namespaces N2535 4.4 2.9 19.0* Yes 4.5 14.0 11.1 5.13 Yes 8.4 2015 7.0 A.06.28
Inheriting constructors N2540 4.8 3.3 19.0* Yes 4.8 15.0 13.1.1* 5.13 Yes 8.4 2015 7.0
Trailing function return types N2541 4.4 2.9 16.0* Yes 4.1 12.0 12.1 5.13 Yes 8.4 2015 7.0 A.06.27
Unrestricted unions N2544 4.6 3.0 19.0* Yes 4.6 14.0* 13.1.2* 5.13 Yes 8.4 2015 7.0 A.06.28
Variadic templates N2242
N2555
4.3 (N2242)
4.4
2.9 18.0* Yes 4.3 (N2242)
4.3
12.1 11.1 (N2242) 5.13 Yes 8.4 2015 7.0 A.06.27
Expression SFINAE N2634 4.4 2.9 19.14* Yes 4.2 12.1 Yes 8.4 2015 7.0
Local and unnamed types as template parameters N2657 4.5 2.9 16.0* Yes 4.2 12.0 13.1.2* 5.13 Yes 8.4 2015 7.0 A.06.27
Thread-local storage N2659 4.4 (partial)
4.8
3.3* 16.0* (partial)
19.0*
Yes 4.8 11.1 (partial)
15.0*
10.1 (partial)*
13.1.2 (partial)*
5.9 (partial) Yes 8.4 2015 8.52 (partial)
Dynamic initialization and destruction with concurrency (magic statics) N2660 4.3 2.9 19.0* Yes Yes 11.1* 13.1.2* 5.13 Yes 8.4 2015 A.06.25
Garbage Collection and Reachability-Based Leak Detection N2670
Initializer lists N2672 4.4 3.1 18.0* Yes 4.5 13.0 (partial)
14.0
13.1.2* 5.13 Yes 8.4 2015 7.0 A.06.28
Non-static data member initializers N2756 4.7 3.0 18.0* Yes 4.6 14.0 13.1.2* 5.13 Yes 8.4 2015 7.0 A.06.28
Attributes N2761 4.8 3.3 19.0* Yes 4.2 12.1 13.1.1* 5.13 Yes 8.4 2015 7.0 A.06.27
Forward enum declarations N2764 4.6 3.1 17.0* Yes 4.5 11.1 (partial)
14.0
12.1 5.13 Yes 8.4 2015 7.0
User-defined literals N2765 4.7 3.1 19.0* Yes 4.8 15.0 13.1.2* 5.14 Yes 8.4 2015 7.0
Lambda expressions N2550
N2658
N2927
4.5 3.1 16.0* (N2658)
17.0*
Yes 4.1 12.0 13.1.2* 5.13 Yes 8.4 2015 7.0 - claims N2927 A.06.25
Range-for loop N2930 4.6 3.0 17.0* Yes 4.5 13.0 13.1.2* 5.13 Yes 8.4 2015 7.0 A.06.28
noexcept N3050 4.6 3.0 19.0* Yes 4.5 14.0 13.1.1* 5.13 Yes 8.4 2015 7.0 A.06.28
Rvalue references N2118
N2844
CWG1138
N3053
4.3 (N2118)
4.5 (CWG1138)
4.6
Yes 16.0* (N2844)
17.0* (CWG1138)
19.0*
Yes 4.5 11.1 (N2118)
12.0 (N2844)
14.0
12.1 (CWG1138) 5.13 Yes 8.4 2015 7.0 - lists N2118 A.06.25
override and final N2928
N3206
N3272
4.7 2.9 14.0* (partial)
17.0*
Yes 4.8 12.0 (N2928)
14.0
13.1.1* 5.13 Yes 8.4 2015 7.0
decltype N2343
N3276
4.3 (N2343)
4.8.1
2.9 16.0* Yes 4.2 (N2343)
4.8
11.0 (N2343)
12.0
11.1 (N2343) 5.13 Yes 8.4 2015 7.0 A.06.25 8.52 (N2343)
C++11 feature
 
Paper(s)
 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XLC++
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Portland Group (PGI)
Nvidia nvcc
HP aCC
Digital Mars C++

[edit] C++11 library features

C++11 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC
Standard Library
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library
Type traits N1836 4.3 3.0 14.0* Yes 5.13 Yes 8.4
Garbage Collection and Reachability-Based Leak Detection (library support) N2670 6
(no-op)
3.4
(no-op)
19.0*
(no-op)
Yes
(no-op)
Money, Time, and hexfloat I/O manipulators N2071
N2072
5 3.8 19.0* Yes 5.15
C++11 feature
 
Paper(s)
 
GCC libstdc++
Clang libc++
MSVC
Standard Library
Apple Clang
Sun/Oracle C++
Standard Library
Embarcadero C++ Builder
Standard Library
Cray C++
Standard Library

* - hover over the version number to see notes


[edit] References

Individual vendor compatibility checklists (these are more up-to-date than the table above)

  • GCC (Updated 2019-06)
  • Clang++ (Updated 2019-06)
  • Apple Clang (Updated 2019-06)
  • Microsoft Visual Studio (updated 2019-05)
  • Intel C++ (Updated 2018-11)
  • Parallel STL (an implementation of the C++17 standard library algorithms with support for execution policies)
  • EDG (Updated 2019-07)
  • Oracle C++ (updated 2017-07)
  • Full C++14 support added in 5.15.
  • Oracle ships 4 implementations of the C++ standard library:
  • libCstd (RogueWave Standard Library version 2), predates C++98
  • stlport4 (STLport Standard Library version 4.5.3), predates C++03
  • stdcxx4 (Apache Standard Library version 4), predates C++11
  • libstdc++ (GCC runtime library, support for C++11 and C++14 depending on release)
  • IBM XL C++ (updated 2018-05)
  • IBM XL C++ for Linux
  • Core language support status: C++11 complete as of 13.1.6, C++14 partial in 16.1.0
  • IBM does not ship an implementation of C++ standard library for Linux (uses GNU libstdc++)
  • IBM XL C++ for AIX
  • HP aCC
  • Digital Mars C++
  • Embarcadero C++
  • Language features compliance status (RAD Studio 10.1 Berlin), including C++11 features supported by legacy and Clang-enhanced compilers (based on Clang 3.3)
  • Language features compliance status (RAD Studio 10.3 Rio), including C++11 features supported by legacy compilers and C++11, C++14, and C++17 features supported by the Clang-enhanced compilers (based on Clang 5.0)
  • Cray (updated 2018-01)
  • Portland Group (PGI) (updated 2019-01)
  • Nvidia Cuda nvcc (updated 2019-03)
  • Texas Instruments (updated 2018-05)
  • Analog Devices (updated 2018-05)