C++ compiler support

 

C++

Language

Standard Library Headers

Freestanding and hosted implementations

Named requirements

Language support library

Concepts library (C++20)

Diagnostics library

Utilities library

Strings library

Containers library

Iterators library

Ranges library (C++20)

Algorithms library

Numerics library

Localizations library

Input/output library

Filesystem library (C++17)

Regular expressions library (C++11)

Atomic operations library (C++11)

Thread support library (C++11)

Technical Specifications

 

Compiler support

C++11

C++14

C++17

C++20

 

The following table presents compiler support for new C++ features. These include C++11, C++14, C++17, C++20, and later accepted revisions (C++23/C++2b) to the standard, as well as various technical specifications.

C++2b features

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

C++20 features

C++20 core language features

C++20 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)* 10 (partial)*	9	19.25*	11.0.3*	5.1
Designated initializers	P0329R4	4.7 (partial)* 8	3.0 (partial)* 10	19.21*	(partial)*	5.1
template-parameter-list for generic lambdas	P0428R2	8	9	19.22*	11.0.0*	5.1
Default member initializers for bit-fields	P0683R1	8	6	19.25*	10.0.0*	5.1
Initializer list constructors in class template argument deduction	P0702R1	8	6	19.14*	Yes	5.0
const&-qualified pointers to members	P0704R1	8	6	19.0*	10.0.0*	5.1
Concepts	P0734R0	6 (TS only) 10	10	19.23* (partial)*		6.1
Lambdas in unevaluated contexts	P0315R4	9		19.28*
Three-way comparison operator	P0515R3	10	8 (partial) 10	19.20*		5.1
DR: Simplifying implicit lambda capture	P0588R1	8		19.24*		5.1
init-statements for range-based for	P0614R1	9	8	19.25*	11.0.0*	6.0
Default constructible and assignable stateless lambdas	P0624R2	9	8	19.22*	10.0.1*	5.1
const mismatch with defaulted copy constructor	P0641R2	9	8	19.21* (partial)	10.0.1*	5.1
Access checking on specializations	P0692R1	Yes	8 (partial)	19.26*	10.0.1* (partial)	5.1
ADL and function templates that are not visible	P0846R0	9	9	19.21*	11.0.3*	5.1
Less eager instantiation of constexpr functions	P0859R0	5.2 (partial)* 9	8
Attributes [[likely]] and [[unlikely]]	P0479R5	9	12 (partial)	19.26*		5.1
Make typename more optional	P0634R3	9				5.1
Pack expansion in lambda init-capture	P0780R2	9	9	19.22*	11.0.3*	6.1
Attribute [[no_unique_address]]	P0840R2	9	9		11.0.3*	5.1
Conditionally Trivial Special Member Functions	P0848R3	10		19.28*		6.1
DR: Relaxing the structured bindings customization point finding rules	P0961R1	8	8	19.21*	10.0.1*	5.1
DR: Relaxing the range-for loop customization point finding rules	P0962R1	8	8			5.1
DR: Allow structured bindings to accessible members	P0969R0	8	8	19.21*	10.0.1*	5.1
Destroying operator delete	P0722R3	9	6	19.27*	10.0.0*	6.1
Class types in non-type template parameters	P0732R2	9		19.26*
Deprecate implicit capture of this via [=]	P0806R2	9		19.22*		5.1
explicit(bool)	P0892R2	9	9	19.24*	11.0.3*	5.1
Integrating feature-test macros	P0941R2	5	3.4	19.15* (partial) 19.20*	Yes	5.0
Prohibit aggregates with user-declared constructors	P1008R1	9	8	19.20*	10.0.1*	5.1
constexpr virtual function	P1064R0	9	9		11.0.3*	5.1
Consistency improvements for comparisons	P1120R0	10	8 (partial) 10	19.22*	10.0.1* (partial)	5.1
char8_t	P0482R6	9	7	19.22*	10.0.0*	5.1
std::is_constant_evaluated()	P0595R2	9	9	19.25*	11.0.3*	5.1	19.1
constexpr try-catch blocks	P1002R1	9	8	19.25*	10.0.1*	5.1
Immediate functions (consteval)	P1073R3	10 (partial)* 11		19.28** (partial)		5.1
Nested inline namespaces	P1094R2	9	8	19.27*	10.0.1*	5.1
Yet another approach for constrained declarations	P1141R2	10	10	19.26* (partial)		6.1
Signed integers are two's complement	P1236R1	9	9	N/A	11.0.3*	N/A
constexpr dynamic_cast and polymorphic typeid	P1327R1	10	9		11.0.3*	5.1
Changing the active member of a union inside constexpr	P1330R0	9	9	19.10*	11.0.3*	5.1
Coroutines	P0912R5	10	8 (partial)	19.25* 19.28*	10.0.1* (partial)	5.1
Parenthesized initialization of aggregates	P0960R3	10		19.28*		5.1
DR: Array size deduction in new-expressions	P1009R2	11	9	19.27*	11.0.3*	5.1
Modules	P1103R3		8 (partial)	19.25* (partial) 19.28*	10.0.1* (partial)
Stronger Unicode requirements	P1041R4 P1139R2	10	Yes	19.0* (P1041R4) 19.26* (P1139R2)	Yes	N/A
<=> != ==	P1185R2	10	10	19.22*		5.1
DR: Explicitly defaulted functions with different exception specifications	P1286R2	10	9		11.0.3*	5.1
Lambda capture and storage class specifiers of structured bindings	P1091R3 P1381R1	10	8 (partial)	19.11*(P1381R1) 19.24*(P1091R3)	10.0.1* (partial)	5.1
Permit conversions to arrays of unknown bound	P0388R4	10		19.27*		6.0
constexpr container operations	P0784R7	10	10			6.0
Deprecating some uses of volatile	P1152R4	10	10	19.27*		6.0
constinit	P1143R2	10	10			6.1
Deprecate comma operator in subscripts	P1161R3	10	9	19.25*	11.0.3*	6.0
[[nodiscard]] with message	P1301R4	10	9	19.25*	11.0.3*	6.0
Trivial default initialization in constexpr functions	P1331R2	10	10	19.27*		6.1
Unevaluated asm-declaration in constexpr functions	P1668R1	10	10			6.1
using enum	P1099R5			19.24*
Synthesizing three-way comparison for specified comparison category	P1186R3		10	19.24*		6.0
DR: [[nodiscard]] for constructors	P1771R1	10	9	19.24*	11.0.3*	6.0
Class template argument deduction for alias templates	P1814R0	10		19.27*
Class template argument deduction for aggregates	P1816R0 P2082R1	10(P1816R0) 11(P2082R1)		19.27*(P1816R0)
DR: Implicit move for more local objects and rvalue references	P1825R0	11*		19.24*		6.0
Allow defaulting comparisons by value	P1946R0	10	10	19.25*		6.1
Remove std::weak_equality and std::strong_equality	P1959R0	10	10	19.25*		6.1
Inconsistencies with non-type template parameters	P1907R1	9		19.26*
DR: Pseudo-destructors end object lifetimes	P0593R6	11	11			N/A
DR: Converting from T* to bool should be considered narrowing	P1957R2	10* 11*		19.27*		6.1
C++20 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

C++20 library features

C++20 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*	10.0.0*
Extending std::make_shared() to support arrays	P0674R1			19.27*
Floating point atomic	P0020R6	10		19.22*
Synchronized buffered ostream	P0053R7
constexpr for <algorithm> and <utility>	P0202R3	10	8 (partial)	19.26*	10.0.1* (partial)
More constexpr for <complex>	P0415R1	9	7 (partial)	19.27*	10.0.0* (partial)
Make std::memory_order a scoped enumeration	P0439R0	9	9	19.25*	11.0.3*
String prefix and suffix checking	P0457R2	9	6	19.21*	10.0.0*
Library support for operator<=> <compare>	P0768R1	10	7 (partial) At least 12*	19.20* (partial)	10.0.0* (partial)
std::remove_cvref	P0550R2	9	6	19.20*	10.0.0*
[[nodiscard]] in the standard library	P0600R1	9	7 (partial)	19.13* (partial) 19.22*	10.0.0* (partial)
Using std::move in numeric algorithms	P0616R0	9		19.23*
Utility to convert a pointer to a raw pointer	P0653R2	8	6	19.22*	Yes
Atomic std::shared_ptr and std::weak_ptr	P0718R2			19.27*
std::span	P0122R7	10	7	19.26*	10.0.0*
Calendar and timezone	P0355R7		7 (partial)		10.0.0* (partial)
<version>	P0754R2	9	7	19.22*	10.0.0*
Comparing unordered containers	P0809R0			16.0*
ConstexprIterator requirements	P0858R0	9		19.11*
std::basic_string::reserve() should not shrink	P0966R1	11	8	19.25*	10.0.1*
Atomic Compare-And-Exchange With Padding Bits	P0528R3			19.28*
std::atomic_ref	P0019R8	10		19.28*
contains() member function of associative containers	P0458R2	9	9	19.21*	11.0.3*
DR: Guaranteed copy elision for piecewise construction	P0475R1	9
std::bit_cast()	P0476R2			19.27*
Integral power-of-2 operations	P0556R3 P1956R1	9 (P0556R3) 10 (P1956R1)	9 (P0556R3)	19.25* (P0556R3)* 19.27* (P1956R1)* 19.28*
Improving the return value of erase-like algorithms	P0646R1	9	10	19.21*
std::destroying_delete	P0722R3	9	9	19.27*	11.0.3*
std::is_nothrow_convertible	P0758R1	9	9	19.23*	11.0.3*
Add shift to <algorithm>	P0769R2	10		19.21*
Constexpr for std::swap() and swap related functions	P0879R0	10		19.26*
std::type_identity	P0887R1	9	8	19.21*	10.0.1*
Concepts library	P0898R3	10		19.23*
constexpr comparison operators for std::array	P1023R0	10	8	19.27*	10.0.1*
std::unwrap_ref_decay and std::unwrap_reference	P0318R1	9	8	19.21*	10.0.1*
std::bind_front()	P0356R5	9		19.25*
std::reference_wrapper for incomplete types	P0357R3	9	8	19.26*	10.0.1*
Fixing operator>>(basic_istream&, CharT*)	P0487R1	11	8	19.23*	10.0.1*
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*	10.0.1*
A sane std::variant converting constructor	P0608R3	10	9		11.0.3*
std::function's move constructor should be noexcept	P0771R1	7.2	6	19.22*	Yes
The One Ranges Proposal	P0896R4	10
Heterogeneous lookup for unordered containers	P0919R3 P1690R1			19.23* (P0919R3) 19.25* (P1690R1)
<chrono> zero(), min(), and max() should be noexcept	P0972R0	9	8	19.14*	10.0.1*
constexpr in std::pointer_traits	P1006R1	9	8	19.26*	10.0.1*
std::assume_aligned()	P1007R3	9* 11		19.29*
Smart pointer creation with default initialization	P1020R1 P1973R1
Misc constexpr bits	P1032R1	10		19.28*
Remove comparison operators of std::span	P1085R2	10	8	19.26*	10.0.1*
Make stateful allocator propagation more consistent for operator+(basic_string)	P1165R1	10		19.26*
Consistent container erasure	P1209R0 P1115R3	9 (P1209R0) 10 (P1115R3)	8 (P1209R0) 11 (P1115R3)	19.25* (P1209R0) 19.27* (P1115R3)	10.0.1* (P1209R0)
polymorphic_allocator<> as a vocabulary type	P0339R6	9		19.29*
std::execution::unseq	P1001R2	9		19.28*
std::lerp() and std::midpoint()	P0811R3	9	9	19.23* (partial) 19.28*	11.0.3*
Usability enhancements for std::span	P1024R3	10	9	19.26*	11.0.3*
DR: Make create_directory() Intuitive	P1164R1	8.3		19.20*
std::ssize() and unsigned extent for std::span	P1227R2	10	9	19.25*	11.0.3*
Traits for (un)bounded arrays	P1357R1	9	9	19.25*	11.0.3*
std::to_array()	P0325R4	10	10	19.25*
Efficient access to std::basic_stringbuf’s Buffer	P0408R7
Layout-compatibility and pointer-interconvertibility traits	P0466R5			19.27*
Bit operations	P0553R4	9	9	19.25** 19.28*	11.0.3*
Mathematical constants	P0631R8	10	11	19.25*
Text formatting	P0645R10
std::stop_token and std::jthread	P0660R10	10		19.29*
constexpr std::allocator and related utilities	P0784R7	10	12
constexpr std::string	P0980R1
constexpr std::vector	P1004R2
Input range adaptors	P1035R7	10
constexpr std::invoke() and related utilities	P1065R2	10		19.28*
Atomic waiting and notifying, std::counting_semaphore, std::latch and std::barrier	P1135R6			19.28*
std::source_location	P1208R6	7 (TS only)
Adding <=> to the standard library	P1614R2	10
constexpr default constructor of std::atomic and std::atomic_flag	P0883R2	10		19.26*
constexpr for numeric algorithms	P1645R1	10		19.26*
Safe integral comparisons	P0586R2	10		19.27*
C++20 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

C++17 features

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	11.0
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				10.3		19.1
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		19.1
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		19.1
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		19.1
Aggregate initialization of classes with base classes	P0017R1	7	3.9	19.14*	Yes	5.0	19.0.1			10.3		19.1
__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	6.1				10.3		19.1
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		19.1
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	19.0			10.3		19.1
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		19.1
Stricter expression evaluation order	P0145R3	7	4	19.14*	Yes	5.0	19.0.1			10.3		19.1
Structured Bindings	P0217R3	7	4	19.11*	Yes	4.14	19.0			10.3		18.1	11.0*
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	11.0
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	11.0
Removing dynamic exception specifications	P0003R5	7	4	19.10*	Yes	4.14	19.0			10.3		19.1
Pack expansions in using-declarations	P0195R2	7	4	19.14*	Yes	5.0	19.0			10.3		19.1
DR: Matching of template template-arguments excludes compatible templates	P0522R0	7	4	19.12*	Yes	5.0	19.0.1			10.3		19.1
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

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 (partial)*	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)*	10.0.0*	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) 11 (no FP to_chars)	7 (no FP)	19.14* (no FP)* 19.24*	10.0.0* (no FP)	N/A
std::shared_ptr and std::weak_ptr with array support	P0414R2	7	11	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

C++14 features

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 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
Aggregates with member initializers (NSDMI)	N3653	5	3.3	19.10*	Yes	4.9	16.0		5.14	10.3	8.6	16.1	9.0
Omitting/extending memory 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

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
Transparent operator functors	N3421	4.9	3.4	18.0*	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) 10	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
std::make_unique	N3656	4.9	3.4	18.0*	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

C++11 features

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)* 19.26*	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*	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*, except AIX xlC 13.1.3	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
Rvalue references	N2118 N2844 CWG1138	4.3 (N2118) 4.5	2.9	16.0* (N2844) 17.0*	Yes	4.5	11.1 (N2118) 12.0 (N2844) 14.0	12.1	5.13	Yes	8.4	2015	7.0*	A.06.25
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	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
Defaulted move special member functions	N3053	4.6	3.0	19.0*	Yes	4.5	14.0		5.13	Yes	8.4	2015	7.0	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++

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

References

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

• GCC (Updated 2020-03)
  • C++11 core language support status (complete as of 4.8.1, except for n2670, which no compiler implements)
  • C++14 core language support status (complete as of 5.1)
  • C++17 core language support status (complete as of 7.1)
  • C++20 core language support status
  • C++11 library support status (complete as of 5.1)
  • C++14 library support status (complete as of 5.1)
  • C++17 library support status
  • C++20 library support status
  • Technical Specifications support status
  • Core language defect report status
• Clang++ (Updated 2020-03)
  • C++11 core language support status (complete as of 3.3)
  • C++11 library support status (complete as of 2012-07-29)
  • C++14 core language support status (complete as of 3.4)
  • C++14 library support status (complete as of 3.5)
  • C++17 core language support status (complete as of 5.0)
  • C++17 library support status
  • C++20 core language support status
  • C++20 library support status
  • Technical Specifications support status
  • Core language defect report status
• Apple Clang (Updated 2019-06)
  • Xcode toolchain versions on Wikipedia
  • Xcode release notes
• Microsoft Visual Studio (updated 2020-03)
  • Upcoming releases Visual Studio 2019 change log
  • C++17/20 Features and Fixes in Visual Studio 2019
  • STL Features and Fixes in VS 2017 15.8
  • C++17 Announcing: MSVC Conforms to the C++ Standard (complete as of 15.7)
  • C++17 Features And STL Fixes In VS 2017 15.5
  • C++17 Features And STL Fixes In VS 2017 15.3
  • C++11/C++14/C++17 core language and library status in VS2017.3
  • C++11/C++14/C++17 core language support status
    • C++11/14/17 core language support status in VS2010, VS2012, VS2013, and VS2015
    • VS2013 vs. VS2015 CTP0
    • VS2013 vs. VS2015 CTP1
    • VS2013 vs. VS2015 CTP3 (includes the roadmap table)
    • VS2015 ("VS14") preview
    • VS2015 ("VS14") release candidate (C++11 remains incomplete, but C++17 support appears)
    • VS2019
  • C++11 and C++14 library support status
  • C++11/14/17 Features In VS 2015 RTM including core language and standard library (including technical specifications)
  • C++14/17 features in VS 2015 Update 2 standard library library is feature complete up to current C++17 with few minor issues (some defect reports, some constexprs, etc)
  • C++14/17 Features and STL Fixes in VS “15” Preview 5 including a detailed C++17 status table
• Intel C++ (Updated 2018-11)
  • C++11 core language support status (complete as of 15.0)
  • C++14 core language support status (functionally complete as of 17.0 - N3664 is an optimization)
  • C++17 core language support status (incomplete)
  • C++17 features of Intel 19.0 beta
  • Intel does not ship an implementation of the C++ standard library, except for
    • Parallel STL (an implementation of the C++17 standard library algorithms with support for execution policies)
  • Intel's compatibility with versions of libstdc++ from GCC
• EDG (Updated 2019-10)
  • C++11 core language support status
  • C++14 core language support status
  • C++17 core language support status
  • C++20 core language support status
  • EDG does not ship an implementation of the C++ standard library
• Oracle C++ (updated 2017-07)
  • Version number is compiler version, not Oracle Studio version
  • C++11 core language support status in 5.13
    • Missing C++11 support added in 5.14 (page has a typo, and still says 5.13)
  • C++14 features added in 5.14
    • 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
    • Core language support status: C++11 partial in 13.1.3 and 16.1.0 (xlC frontend), complete in 16.1.0 (xlclang frontend)
    • IBM ships a version of Dinkumware library for AIX with full support for C++ TR1, including <regex>, but no C++11
    • IBM XL C/C++ compilers features
• HP aCC
  • HP aC++ A.06.28 release notes (including C++11 core language features)
  • HP ships a version of RogueWave STL 2.0 implementation of the C++98 standard library
• Digital Mars C++
  • C++11 core language support status
• 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 2020-02)
  • [1] For version 8.4, claims all of C++14 is supported except alignas
  • Cray C and C++ Reference Manual (8.6) For version 8.6, claims all of C++14 is supported
  • http://pubs.cray.com/pdf-attachments/attachment?pubId=00761211-DC&attachmentId=pub_00761211-DC.pdf for version 9.1 doesn't claim support beyond C++14
• Portland Group (PGI) (updated 2019-01)
  • Release notes for 2016 claim C++14 support, except "generalized constexpr and constexpr member functions and implicit const, variable templates, clarifying memory allocation (merged allocation)"
  • Release notes for 2018
  • Reference manual of PGI 19.1
  • PGI does not ship an implementation of C++ standard library
• Nvidia Cuda nvcc (updated 2020-07)
  • CUDA C Programming Guide (v11.0.171)
  • NVCC does not ship an implementation of C++ standard library
• Texas Instruments (updated 2018-05)
  • cl430 version v18.1.0 claims C++14 support
• Analog Devices (updated 2018-05)
  • CrossCore Embedded Studio 2.8.0 for SHARC claims C++11 support.