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Difference between revisions of "cpp/compiler support"

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Revision as of 00:30, 10 December 2019

 
C++
 
C++ language
General topics
Flow control
Conditional execution statements
if
Iteration statements (loops)
for
range-for (C++11)
Jump statements
Functions
Function declaration
Lambda function expression
inline specifier
Dynamic exception specifications (until C++17*)
noexcept specifier (C++11)
Exceptions
Namespaces
Types
Specifiers
const/volatile
decltype (C++11)
auto (C++11)
constexpr (C++11)
consteval (C++20)
constinit (C++20)
Storage duration specifiers
Initialization
Expressions
Alternative representations
Literals
Boolean - Integer - Floating-point
Character - String - nullptr (C++11)
User-defined (C++11)
Utilities
Attributes (C++11)
Types
typedef declaration
Type alias declaration (C++11)
Casts
Memory allocation
Classes
Class-specific function properties
explicit (C++11)
static

Special member functions
Templates
Miscellaneous
 
This page is maintained as best-effort and may lag behind most recent compiler releases. If you see something is out-of-date, please help us by updating it!

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.

C++2a features

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

C++2a core language features

C++2a feature

  		Paper(s)

 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XL C++
IBM Open XL C++ for AIX
IBM Open XL C++ for z/OS
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++ (ex PGI)*
Nvidia nvcc
Allow lambda-capture [=, this] P0409R2 8 6 19.22*

<span title=" unknown version number">10.0*</span>

5.1
__VA_OPT__ P0306R4
P1042R1 		8 (partial)* 9

<span title=" unknown version number">10.0*</span>

5.1


Designated initializers P0329R4 4.7 (partial)*
8 		3.0 (partial)*
10 		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

<span title=" unknown version number">10.0*</span>

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 (2015)*

<span title=" unknown version number">10.0*</span>

5.1


Concepts P0734R0 6
(TS only)
10 		19.23* (partial)*
Lambdas in unevaluated contexts P0315R4 9


Three-way comparison operator P0515R3 10 8 (partial)* 19.20* 5.1


Simplifying implicit lambda capture P0588R1 8 5.1


init-statements for range-based for P0614R1 9 8

<span title=" unknown version number">11.0*</span>

6.0


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


const mismatch with defaulted copy constructor P0641R2 9 8 19.21* (partial) 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*

<span title=" unknown version number">10.0*</span>

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*

<span title=" unknown version number">10.0*</span>

5.1
Destroying operator delete P0722R3 9 6

<span title=" unknown version number">10.0*</span>


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*

<span title=" unknown version number">10.0*</span>

5.1


constexpr virtual function P1064R0 9 9 5.1


Consistency improvements for comparisons P1120R0 10 8 (partial) 19.22* 5.1
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

<span title=" unknown version number">10.0*</span>

5.1


Immediate functions P1073R3 10 5.1


Nested inline namespaces P1094R2 9 8 5.1


Yet another approach for constrained declarations P1141R2 10


Signed integers are two's complement P1236R1 9 9


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 10 5.1


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


Modules P1103R3 8 (partial)


Stronger Unicode requirements P1041R4
P1139R2 		10 Yes N/A


<=> != == P1185R2 10 19.22* 5.1


DR: Explicitly defaulted functions with different exception specifications P1286R2 9 5.1


Lambda capture and storage class specifiers of structured bindings P1091R3
P1381R1 		10 8 (partial) 5.1
Permit conversions to arrays of unknown bound P0388R4 10 6.0


constexpr container operations P0784R7 10 10 6.0


Deprecating some uses of volatile P1152R4 10 6.0


constinit P1143R2 10 10


Deprecate comma operator in subscripts P1161R3 10 9 6.0


[[nodiscard]] with message P1301R4 10 9 6.0


Trivial default initialization in constexpr functions P1331R2 10 10


Unevaluated asm-declaration in constexpr functions P1668R1 10 10


using enum P1099R5


Synthesizing three-way comparison for specified comparison category P1186R3 10 6.0


DR: [[nodiscard]] for constructors P1771R1 10 9 6.0


DR: Implicit move for more local objects and rvalue references P1825R0 6.0
 

C++2a feature 		 

Paper(s)
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XL C++
IBM Open XL C++ for AIX
IBM Open XL C++ for z/OS
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++ (ex PGI)*
Nvidia nvcc

C++2a library features

C++2a feature

  		Paper(s)

 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang*
IBM Open XL C/C++ for AIX*
Sun/Oracle C++*
Embarcadero C++ Builder*
std::endian P0463R1 8 7 19.22*


Extending std::make_shared() to support arrays P0674R1
Floating point atomic P0020R6 10 19.22*


Synchronized buffered ostream P0053R7


constexpr for <algorithm> and <utility> P0202R3 10 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> P0768R1 10 7 (partial) 19.20* (partial)


std::remove_cvref P0550R2 9 6 19.20*


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


Using std::move in numeric algorithms P0616R0 9 19.23*


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 10 7


Calendar and timezone P0355R7 7 (partial)


<version> P0754R2 9 7 19.22*


Comparing unordered containers P0809R0 16.0*


ConstexprIterator requirements P0858R0 9 19.11*


std::basic_string::reserve() should not shrink P0966R1 8
std::atomic_ref P0019R8 10


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 19.23*


Add shift to <algorithm> P0769R2 19.21*


Constexpr for std::swap() and swap related functions P0879R0 10


std::type_identity P0887R1 9 8 19.21*


Concepts library P0898R3 10 19.23*


constexpr comparison operators for std::array P1023R0 10 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


Heterogeneous lookup for unordered containers P0919R3 19.23*


<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 10 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 10 9


DR: Make create_directory() Intuitive P1164R1 8.3 19.20*


std::ssize() and unsigned extent for std::span P1227R2 10 9


Traits for (un)bounded arrays P1357R0 9 9
std::to_array() P0325R4 10


Efficient access to std::basic_stringbuf’s Buffer P0408R7


Layout-compatibility and pointer-interconvertibility traits P0466R5


Bit operations P0553R4 9 9


Mathematical constants P0631R8 10


Text formatting P0645R10


std::stop_token and std::jthread P0660R10 10


constexpr std::allocator and related utilities P0784R7 10


constexpr std::string P0980R1


constexpr std::vector P1004R2


Input range adaptors P1035R7


constexpr std::invoke() and related utilities P1065R2 10


Atomic waiting and notifying, std::semaphore, std::latch and std::barrier P1135R6


std::source_location P1208R6 7 (TS only)


Adding <=> to the standard library P1614R2
 

C++2a feature 		 

Paper(s)
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang*
IBM Open XL C/C++ for AIX*
Sun/Oracle C++*
Embarcadero C++ Builder*

C++17 features

C++17 core language features

C++17 feature

  		Paper(s)

 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XL C++
IBM Open XL C++ for AIX
IBM Open XL C++ for z/OS
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++ (ex PGI)*
Nvidia nvcc
New auto rules for direct-list-initialization N3922 5 3.8 19.0 (2015)* 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 (2015)* 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 (Update 3)* Yes 4.12 17.0 10.3 17.7
Attributes for namespaces and enumerators N4266 4.9 (partial)*
6 		3.6 19.0 (2015)* Yes 4.11 17.0 10.3 17.7
u8 character literals N4267 6 3.6 19.0 (2015)* 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*

<span title=" unknown version number">10.0*</span>

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 XL C++
IBM Open XL C++ for AIX
IBM Open XL C++ for z/OS
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++ (ex PGI)*
Nvidia nvcc

C++17 library features

C++17 feature

  		Paper(s)

 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang*
IBM Open XL C/C++ for AIX*
Intel Parallel STL
Sun/Oracle C++*
Embarcadero C++ Builder*
std::void_t N3911 6 3.6 19.0 (2015)* Yes N/A 10.3
std::uncaught_exceptions() N4259 6 3.7 19.0 (2015)* Yes N/A
std::size(), std::empty() and std::data() N4280 6 3.6 19.0 (2015)* Yes N/A 10.3
Improving std::pair and std::tuple N4387 6 4 19.0 (Update 2)* Yes N/A 10.3
std::bool_constant N4389 6 3.7 19.0 (2015)* Yes N/A 10.3
std::shared_mutex (untimed) N4508 6 3.7 19.0 (Update 2)* Yes N/A 10.3
Type traits variable templates P0006R0 7 3.8 19.0 (Update 2)* Yes N/A 10.3
Logical operator type traits P0013R1 6 3.8 19.0 (Update 2)* Yes N/A 10.3
Standardization of Parallelism TS P0024R2 9* 19.14* 18.0*
std::clamp() P0025R0 7 3.9 19.0 (Update 3)*

<span title=" unknown version number">10.0*</span>

N/A 10.3
Hardware interference size P0154R1 19.11* N/A
(nothrow-)swappable traits P0185R1 7 3.9 19.0 (Update 3)*

<span title=" unknown version number">10.0*</span>

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

<span title=" unknown version number">11.0*</span>

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

<span title=" unknown version number">10.0*</span>

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

<span title=" unknown version number">10.0*</span>

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

<span title=" unknown version number">10.0*</span>

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 (2015)*
(partial)* 		N/A
Splicing Maps and Sets P0083R3 7 8 19.12*

<span title=" unknown version number">10.0*</span>

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

<span title=" unknown version number">10.0*</span>

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 STL
Apple Clang*
IBM Open XL C/C++ for AIX*
Intel Parallel STL
Sun/Oracle C++*
Embarcadero C++ Builder*

C++14 features

C++14 core language features

C++14 feature

  		Paper(s)

 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XL C++
IBM Open XL C++ for AIX
IBM Open XL C++ for z/OS
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++ (ex PGI)*
Nvidia nvcc
Tweaked wording for contextual conversions N3323 4.9 3.4 18.0* Yes 4.9 16.0 5.15 10.3 8.6 16.1 9.0
Binary literals N3472 4.3 (GNU)
4.9 		2.9 19.0 (2015)* Yes 4.10 11.0 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 (2015)* Yes 4.9 15.0 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 (2015)* 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 (2015)* Yes 4.10 16.0 5.15 10.3 8.6 16.1 9.0
Variable templates N3651 5 3.4 19.0 (Update 2)* Yes 4.11 17.0 5.15 10.3 8.6 17.4 9.0
Extended constexpr N3652 5 3.4 19.10* Yes 4.11 17.0 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 (2015)* Yes 4.9 15.0*
16.0 		5.14 10.3 8.6 16.1 9.0
Sized deallocation N3778 5 3.4 19.0 (2015)* 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 (2015)* Yes 4.10 16.0 5.14 10.3 8.6 2015 9.0
 

C++14 feature 		 

Paper(s)
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XL C++
IBM Open XL C++ for AIX
IBM Open XL C++ for z/OS
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++ (ex PGI)*
Nvidia nvcc

C++14 library features

C++14 feature

  		Paper(s)

 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang*
IBM Open XL C/C++ for AIX*
Sun/Oracle C++*
Embarcadero C++ Builder*
constexpr for <complex> N3302 5 3.4 19.0 (2015)* Yes 5.15 10.3
std::result_of and SFINAE N3462 5 Yes 19.0 (Update 2)* Yes 5.15 10.3
constexpr for <chrono> N3469 5 3.4 19.0 (2015)* Yes 5.15 10.3
constexpr for <array> N3470 5 3.4 19.0 (2015)* Yes 5.15 10.3
constexpr for <initializer_list>, <utility> and <tuple> N3471 5 3.4 19.0 (2015)* Yes 5.15 10.3
Improved std::integral_constant N3545 5 3.4 19.0 (2015)* Yes 5.15 10.3
User-defined literals for <chrono> and <string> N3642 5 3.4 19.0 (2015)* Yes 5.15 10.3
Null forward iterators N3644 5 (partial) 3.4 19.0 (2015)* Yes 5.15 10.3
std::quoted N3654 5 3.4 19.0 (2015)* Yes 5.15 10.3
Heterogeneous associative lookup N3657 5 3.4 19.0 (2015)* Yes 5.15 10.3
std::integer_sequence N3658 5 3.4 19.0 (2015)* Yes 5.15 10.3
std::shared_timed_mutex N3659 5 3.4 19.0 (2015)* Yes 5.15 10.3
std::exchange N3668 5 3.4 19.0 (2015)* Yes 5.15 10.3
fixing constexpr member functions without const N3669 5 3.4 19.0 (2015)* Yes 5.15 10.3
std::get<T>() N3670 5 3.4 19.0 (2015)* Yes 5.15 10.3
Dual-Range std::equal, std::is_permutation, std::mismatch N3671 5 3.4 19.0 (2015)* Yes 5.15 10.3
 

C++14 feature 		 

Paper(s)
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang*
IBM Open XL C/C++ for AIX*
Sun/Oracle C++*
Embarcadero C++ Builder*

C++11 features

C++11 core language features

C++11 feature

  		Paper(s)

 
GCC
Clang
MSVC
Apple Clang
EDG eccp
Intel C++
IBM XL C++
IBM Open XL C++ for AIX
IBM Open XL C++ for z/OS
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++ (ex PGI)*
Nvidia nvcc
HP aCC
Digital Mars C++
C99 preprocessor N1653 4.3 Yes 19.0 (2015)* (partial)* Yes 4.1 11.1 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 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 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 		5.13 Yes 8.4 2015 7.0 A.06.25
long long N1811 Yes Yes 14.0* 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 5.13 Yes 8.4 2015 6.16
auto N1984 4.4 Yes 16.0* Yes 3.9 11.0 (v0.9)
12.0 		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 5.13 Yes 8.4 2015 7.0 A.06.28
extern template N1987 3.3 Yes 12.0* Yes 3.9 9.0 5.13 Yes 8.4 2015 7.0 A.06.25
constexpr N2235 4.6 3.1 19.0 (2015)* (partial) Yes 4.6 13.0*
14.0 		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 5.13 Yes 8.4 2015 7.0 A.06.27
char16_t and char32_t N2249 4.4 2.9 19.0 (2015)* Yes 4.4 12.1*
14.0 		5.13 Yes 8.4 2015 7.0 A.06.27 8.52
alignas N2341 4.8 3.0 19.0 (2015)* Yes 4.8 15.0 5.13 Yes 8.6 2015 7.0
alignof N2341 4.5 2.9 19.0 (2015)* Yes 4.8 15.0 5.13 Yes 8.4 2015 7.0
Defaulted and deleted functions N2346 4.4 3.0 18.0* Yes 4.1 12.0 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 5.13 Yes 8.4 2015 7.0 A.06.25
Atomic operations N2427 4.4 3.1 17.0* Yes Yes 13.0 5.14 Yes 8.4 2015
nullptr N2431 4.6 2.9 16.0* Yes 4.2 12.1 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 5.13 Yes 8.4 2015 7.0 A.06.27
ref-qualifiers N2439 4.8.1 2.9 19.0 (2015)* Yes 4.7 14.0 5.13 Yes 8.4 2015 7.0 A.06.28
Unicode string literals N2442 4.4 3.0 19.0 (2015)* Yes 4.7 11.0* 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 5.13 Yes 8.4 2015 7.0 A.06.28 8.52
Inline namespaces N2535 4.4 2.9 19.0 (2015)* Yes 4.5 14.0 5.13 Yes 8.4 2015 7.0 A.06.28
Inheriting constructors N2540 4.8 3.3 19.0 (2015)* Yes 4.8 15.0 5.13 Yes 8.4 2015 7.0
Trailing function return types N2541 4.4 2.9 16.0* Yes 4.1 12.0 5.13 Yes 8.4 2015 7.0 A.06.27
Unrestricted unions N2544 4.6 3.0 19.0 (2015)* Yes 4.6 14.0* 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 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 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 (2015)* 		Yes 4.8 11.1 (partial)
15.0* 		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 (2015)* Yes Yes 11.1* 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 		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 5.13 Yes 8.4 2015 7.0 A.06.28
Attributes N2761 4.8 3.3 19.0 (2015)* Yes 4.2 12.1 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 		5.13 Yes 8.4 2015 7.0
User-defined literals N2765 4.7 3.1 19.0 (2015)* Yes 4.8 15.0 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 		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 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 5.13 Yes 8.4 2015 7.0 A.06.28
noexcept N3050 4.6 3.0 19.0 (2015)* Yes 4.5 14.0 5.13 Yes 8.4 2015 7.0 A.06.28
Move special member functions N3053 4.6 3.0 19.0 (2015)* 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 		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 		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 XL C++
IBM Open XL C++ for AIX
IBM Open XL C++ for z/OS
Sun/Oracle C++
Embarcadero C++ Builder
Cray
Nvidia HPC C++ (ex PGI)*
Nvidia nvcc
HP aCC
Digital Mars C++

C++11 library features

C++11 feature

  		Paper(s)

 
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang*
IBM Open XL C/C++ for AIX*
Sun/Oracle C++*
Embarcadero C++ Builder*
Type traits N1836 4.3 3.0 14.0* Yes 5.13 Yes
Garbage Collection and Reachability-Based Leak Detection (library support) N2670 6
(no-op) 		3.4
(no-op) 		19.0 (2015)*
(no-op) 		Yes
(no-op)
Money, Time, and hexfloat I/O manipulators N2071
N2072 		5 3.8 19.0 (2015)* Yes 5.15
 

C++11 feature 		 

Paper(s)
GCC libstdc++
Clang libc++
MSVC STL
Apple Clang*
IBM Open XL C/C++ for AIX*
Sun/Oracle C++*
Embarcadero C++ Builder*

* - 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 2019-10)
  • Clang++ (Updated 2019-10)
  • Apple Clang (Updated 2019-06)
  • Microsoft Visual Studio (updated 2019-08)
  • Intel C++ (Updated 2018-11)
  • Parallel STL (an implementation of the C++17 standard library algorithms with support for execution policies)
  • EDG (Updated 2019-10)
  • 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)
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