cplusplus17
C++17 support is available.
+cplusplus20
+ C++20 support is available.
+
+cplusplus23
+ C++23 support is available.
+
c99
C99 support is available.
- Clang now implements `[temp.deduct]p9`. Substitution failures inside lambdas from
unevaluated contexts will be surfaced as errors. They were previously handled as
SFINAE.
+- Clang now supports `requires cplusplus20` for module maps.
C++23 Feature Support
^^^^^^^^^^^^^^^^^^^^^
longer have to be constexpr compatible but rather support a less restricted requirements for constexpr
functions. Which include allowing non-literal types as return values and parameters, allow calling of
non-constexpr functions and constructors.
+- Clang now supports `requires cplusplus23` for module maps.
C++2c Feature Support
^^^^^^^^^^^^^^^^^^^^^
.Case("cplusplus11", LangOpts.CPlusPlus11)
.Case("cplusplus14", LangOpts.CPlusPlus14)
.Case("cplusplus17", LangOpts.CPlusPlus17)
+ .Case("cplusplus20", LangOpts.CPlusPlus20)
+ .Case("cplusplus23", LangOpts.CPlusPlus23)
+ .Case("cplusplus26", LangOpts.CPlusPlus26)
.Case("c99", LangOpts.C99)
.Case("c11", LangOpts.C11)
.Case("c17", LangOpts.C17)
explicit module CXX17 {
requires cplusplus17
}
+ explicit module CXX20 {
+ requires cplusplus20
+ }
+ explicit module CXX23 {
+ requires cplusplus23
+ }
+ explicit module CXX26 {
+ requires cplusplus26
+ }
explicit module C99 {
requires c99
}
@import DependsOnModule.CXX14; // expected-note {{module imported here}}
// expected-error@DependsOnModule.framework/module.map:46 {{module 'DependsOnModule.CXX17' requires feature 'cplusplus17'}}
@import DependsOnModule.CXX17; // expected-note {{module imported here}}
+// expected-error@DependsOnModule.framework/module.map:49 {{module 'DependsOnModule.CXX20' requires feature 'cplusplus20'}}
+@import DependsOnModule.CXX20; // expected-note {{module imported here}}
+// expected-error@DependsOnModule.framework/module.map:52 {{module 'DependsOnModule.CXX23' requires feature 'cplusplus23'}}
+@import DependsOnModule.CXX23; // expected-note {{module imported here}}
+// expected-error@DependsOnModule.framework/module.map:55 {{module 'DependsOnModule.CXX26' requires feature 'cplusplus26'}}
+@import DependsOnModule.CXX26; // expected-note {{module imported here}}
#else
-// expected-error@DependsOnModule.framework/module.map:49 {{module 'DependsOnModule.C99' requires feature 'c99'}}
+// expected-error@DependsOnModule.framework/module.map:58 {{module 'DependsOnModule.C99' requires feature 'c99'}}
@import DependsOnModule.C99; // expected-note {{module imported here}}
-// expected-error@DependsOnModule.framework/module.map:52 {{module 'DependsOnModule.C11' requires feature 'c11'}}
+// expected-error@DependsOnModule.framework/module.map:61 {{module 'DependsOnModule.C11' requires feature 'c11'}}
@import DependsOnModule.C11; // expected-note {{module imported here}}
-// expected-error@DependsOnModule.framework/module.map:55 {{module 'DependsOnModule.C17' requires feature 'c17'}}
+// expected-error@DependsOnModule.framework/module.map:64 {{module 'DependsOnModule.C17' requires feature 'c17'}}
@import DependsOnModule.C17; // expected-note {{module imported here}}
#endif