"complex integer types are an extension">;
def ext_thread_before : Extension<"'__thread' before 'static'">;
-def ext_empty_struct_union : Extension<"empty %select{struct|union}0 "
- "(accepted as an extension) has size 0 in C, size 1 in C++">,
- InGroup<CXXCompat>;
+def ext_empty_struct_union : Extension<
+ "empty %select{struct|union}0 is a GNU extension">, InGroup<GNU>;
+def warn_empty_struct_union_compat : Warning<"empty %select{struct|union}0 "
+ "has size 0 in C, size 1 in C++">, InGroup<CXXCompat>, DefaultIgnore;
def error_empty_enum : Error<"use of empty enum">;
def err_invalid_sign_spec : Error<"'%0' cannot be signed or unsigned">;
def err_invalid_short_spec : Error<"'short %0' is invalid">;
"%select{template name|const_cast|dynamic_cast|reinterpret_cast|static_cast}0"
" which forms the digraph '<:' (aka '[') and a ':', did you mean '< ::'?">;
-def warn_deleted_function_accepted_as_extension: ExtWarn<
- "deleted function definition accepted as a C++11 extension">, InGroup<CXX11>;
+def ext_deleted_function : ExtWarn<
+ "deleted function definitions are a C++11 extension">, InGroup<CXX11>;
def warn_cxx98_compat_deleted_function : Warning<
"deleted function definitions are incompatible with C++98">,
InGroup<CXX98Compat>, DefaultIgnore;
-def warn_defaulted_function_accepted_as_extension: ExtWarn<
- "defaulted function definition accepted as a C++11 extension">,
- InGroup<CXX11>;
+def ext_defaulted_function : ExtWarn<
+ "defaulted function definitions are a C++11 extension">, InGroup<CXX11>;
def warn_cxx98_compat_defaulted_function : Warning<
"defaulted function definitions are incompatible with C++98">,
InGroup<CXX98Compat>, DefaultIgnore;
// C++11 in-class member initialization
def ext_nonstatic_member_init : ExtWarn<
- "in-class initialization of non-static data member accepted as a C++11 extension">,
+ "in-class initialization of non-static data member is a C++11 extension">,
InGroup<CXX11>;
def warn_cxx98_compat_nonstatic_member_init : Warning<
"in-class initialization of non-static data members is incompatible with C++98">,
// C++11 alias-declaration
def ext_alias_declaration : ExtWarn<
- "alias declarations accepted as a C++11 extension">, InGroup<CXX11>;
+ "alias declarations are a C++11 extension">, InGroup<CXX11>;
def warn_cxx98_compat_alias_declaration : Warning<
"alias declarations are incompatible with C++98">,
InGroup<CXX98Compat>, DefaultIgnore;
// C++11 override control
def ext_override_control_keyword : ExtWarn<
- "'%0' keyword accepted as a C++11 extension">, InGroup<CXX11>;
+ "'%0' keyword is a C++11 extension">, InGroup<CXX11>;
def warn_cxx98_compat_override_control_keyword : Warning<
"'%0' keyword is incompatible with C++98">,
InGroup<CXX98Compat>, DefaultIgnore;
"double precision constant requires cl_khr_fp64, casting to single precision">;
// C99 variable-length arrays
-def ext_vla : Extension<
- "variable length arrays are a C99 feature, accepted as an extension">,
+def ext_vla : Extension<"variable length arrays are a C99 feature">,
InGroup<VLA>;
def err_vla_non_pod : Error<"variable length array of non-POD element type %0">;
def err_vla_in_sfinae : Error<
// C99 Designated Initializers
def ext_designated_init : Extension<
"designated initializers are a C99 feature">;
-def ext_designated_init_cxx : Extension<
- "designated initializers are a C99 feature, accepted in C++ as an extension">;
def err_array_designator_negative : Error<
"array designator value '%0' is negative">;
def err_array_designator_empty_range : Error<
"friend declaration naming a member of the declaring class is incompatible "
"with C++98">, InGroup<CXX98Compat>, DefaultIgnore;
def ext_unelaborated_friend_type : ExtWarn<
- "specify '%select{struct|union|class|enum}0' to befriend %1; accepted "
- "as a C++11 extension">, InGroup<CXX11>;
+ "unelaborated friend declaration is a C++11 extension; specify "
+ "'%select{struct|union|class|enum}0' to befriend %1">, InGroup<CXX11>;
def warn_cxx98_compat_unelaborated_friend_type : Warning<
"befriending %1 without '%select{struct|union|class|enum}0' keyword is "
"incompatible with C++98">, InGroup<CXX98Compat>, DefaultIgnore;
"%0 redeclared with '%1' access">;
def err_access : Error<
"%1 is a %select{private|protected}0 member of %3">, AccessControl;
-def war_ms_using_declaration_inaccessible : ExtWarn<
- "using declaration refers to inaccessible member '%0', which refers "
- "to accessible member '%1', accepted for Microsoft compatibility">,
+def ext_ms_using_declaration_inaccessible : ExtWarn<
+ "using declaration referring to inaccessible member '%0' (which refers "
+ "to accessible member '%1') is a Microsoft compatibility extension">,
AccessControl, InGroup<Microsoft>;
def err_access_ctor : Error<
"calling a %select{private|protected}0 constructor of class %2">,
"function|static data member|member class}0 specialization of %1 must "
"originally be declared in namespace %2">;
def ext_template_spec_decl_out_of_scope : ExtWarn<
- "%select{class template|class template partial|function template|member "
- "function|static data member|member class}0 specialization of %1 must "
- "originally be declared in namespace %2; accepted as a C++11 extension">,
+ "first declaration of %select{class template|class template partial|"
+ "function template|member function|static data member|member class}0 "
+ "specialization of %1 outside namespace %2 is a C++11 extension">,
InGroup<CXX11>;
def warn_cxx98_compat_template_spec_decl_out_of_scope : Warning<
"%select{class template|class template partial|function template|member "
InGroup<DiagGroup<"conditional-type-mismatch">>;
def err_typecheck_choose_expr_requires_constant : Error<
"'__builtin_choose_expr' requires a constant expression">;
-def ext_typecheck_expression_not_constant_but_accepted : Extension<
- "expression is not a constant, but is accepted as one by GNU extensions">,
+def ext_typecheck_expression_not_constant : Extension<
+ "expression is not a constant; folding it to one is a GNU extension">,
InGroup<GNU>;
def warn_unused_expr : Warning<"expression result unused">,
InGroup<UnusedValue>;
"in-class initializer for static data member of type %0 requires "
"'constexpr' specifier">;
def err_in_class_initializer_non_constant : Error<
- "in-class initializer is not a constant expression">;
+ "in-class initializer for static data member is not a constant expression">;
def ext_in_class_initializer_non_constant : Extension<
- "in-class initializer is not a constant expression, accepted as an extension">;
+ "in-class initializer for static data member is not a constant expression; "
+ "folding it to a constant is a GNU extension">;
// C++ anonymous unions and GNU anonymous structs/unions
def ext_anonymous_union : Extension<
def err_objc_array_of_interfaces : Error<
"array of interface %0 is invalid (probably should be an array of pointers)">;
def ext_c99_array_usage : Extension<
- "use of C99-specific array features, accepted as an extension">, InGroup<C99>;
+ "%select{qualifier in |static |}0array size %select{||'[*] '}0is a C99 "
+ "feature">, InGroup<C99>;
def err_c99_array_usage_cxx : Error<
- "C99-specific array features are not permitted in C++">;
+ "%select{qualifier in |static |}0array size %select{||'[*] '}0is a C99 "
+ "feature, not permitted in C++">;
def err_double_requires_fp64 : Error<
"use of type 'double' requires cl_khr_fp64 extension to be enabled">;
def err_nsconsumed_attribute_mismatch : Error<
if (Tok.is(tok::kw_delete)) {
Diag(Tok, getLang().CPlusPlus0x ?
diag::warn_cxx98_compat_deleted_function :
- diag::warn_deleted_function_accepted_as_extension);
+ diag::ext_deleted_function);
KWLoc = ConsumeToken();
Actions.SetDeclDeleted(FnD, KWLoc);
} else if (Tok.is(tok::kw_default)) {
Diag(Tok, getLang().CPlusPlus0x ?
diag::warn_cxx98_compat_defaulted_function :
- diag::warn_defaulted_function_accepted_as_extension);
+ diag::ext_defaulted_function);
KWLoc = ConsumeToken();
Actions.SetDeclDefaulted(FnD, KWLoc);
// Empty structs are an extension in C (C99 6.7.2.1p7), but are allowed in
// C++.
- if (Tok.is(tok::r_brace) && !getLang().CPlusPlus)
- Diag(Tok, diag::ext_empty_struct_union)
- << (TagType == TST_union);
+ if (Tok.is(tok::r_brace) && !getLang().CPlusPlus) {
+ Diag(Tok, diag::ext_empty_struct_union) << (TagType == TST_union);
+ Diag(Tok, diag::warn_empty_struct_union_compat) << (TagType == TST_union);
+ }
SmallVector<Decl *, 32> FieldDecls;
if (Tok.is(tok::kw_delete)) {
Diag(Tok, getLang().CPlusPlus0x ?
diag::warn_cxx98_compat_deleted_function :
- diag::warn_deleted_function_accepted_as_extension);
+ diag::ext_deleted_function);
KWLoc = ConsumeToken();
Actions.SetDeclDeleted(Res, KWLoc);
} else if (Tok.is(tok::kw_default)) {
Diag(Tok, getLang().CPlusPlus0x ?
diag::warn_cxx98_compat_defaulted_function :
- diag::warn_defaulted_function_accepted_as_extension);
+ diag::ext_defaulted_function);
KWLoc = ConsumeToken();
Actions.SetDeclDefaulted(Res, KWLoc);
if (Entity.getTargetDecl()->getAccess() == AS_private &&
(OrigDecl->getAccess() == AS_public ||
OrigDecl->getAccess() == AS_protected)) {
- S.Diag(AccessLoc, diag::war_ms_using_declaration_inaccessible)
+ S.Diag(AccessLoc, diag::ext_ms_using_declaration_inaccessible)
<< Shadow->getUsingDecl()->getQualifiedNameAsString()
<< OrigDecl->getQualifiedNameAsString();
return true;
InitExpressions.data(), InitExpressions.size(),
Loc, GNUSyntax, Init.takeAs<Expr>());
- if (getLangOptions().CPlusPlus)
- Diag(DIE->getLocStart(), diag::ext_designated_init_cxx)
- << DIE->getSourceRange();
- else if (!getLangOptions().C99)
+ if (!getLangOptions().C99)
Diag(DIE->getLocStart(), diag::ext_designated_init)
<< DIE->getSourceRange();
else
Diag(Loc, diag::ext_vla);
} else if (ASM != ArrayType::Normal || Quals != 0)
- Diag(Loc,
+ Diag(Loc,
getLangOptions().CPlusPlus? diag::err_c99_array_usage_cxx
- : diag::ext_c99_array_usage);
+ : diag::ext_c99_array_usage) << ASM;
}
return T;
template<> void N0::f0(long) { } // expected-error{{not in a namespace enclosing}}
}
-template<> void N0::f0(double) { } // expected-warning{{originally be declared}}
+template<> void N0::f0(double); // expected-warning{{C++11 extension}}
+template<> void N0::f0(double) { }
struct X1 {
template<typename T> void f(T);
template<typename T> T N0::X0<T>::member;
-template<> struct N0::X0<void> { }; // expected-warning{{originally}}
+template<> struct N0::X0<void> { }; // expected-warning{{C++11 extension}}
N0::X0<void> test_X0;
namespace N1 {
return N0::X0<NonDefaultConstructible>::member;
}
-template<> int N0::X0<int>::member; // expected-warning{{originally}}
+template<> int N0::X0<int>::member; // expected-warning{{C++11 extension}}
template<> float N0::X0<float>::member = 3.14f;
}
template<>
-struct N0::X0<long>::Inner { }; // expected-warning{{originally}}
+struct N0::X0<long>::Inner { }; // expected-warning{{C++11 extension}}
template<>
struct N0::X0<float>::Inner { };
The list of warnings below should NEVER grow. It should gradually shrink to 0.
-CHECK: Warnings without flags (269):
+CHECK: Warnings without flags (268):
CHECK-NEXT: ext_anon_param_requires_type_specifier
CHECK-NEXT: ext_anonymous_struct_union_qualified
CHECK-NEXT: ext_array_init_copy
CHECK-NEXT: ext_cast_fn_obj
CHECK-NEXT: ext_delete_void_ptr_operand
CHECK-NEXT: ext_designated_init
-CHECK-NEXT: ext_designated_init_cxx
CHECK-NEXT: ext_duplicate_declspec
CHECK-NEXT: ext_ellipsis_exception_spec
CHECK-NEXT: ext_empty_fnmacro_arg
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
struct A {
- A(const A&) = delete; // expected-warning {{accepted as a C++11 extension}}
- A& operator=(const A&) = delete; // expected-warning {{accepted as a C++11 extension}}
- A() = default; // expected-warning {{accepted as a C++11 extension}}
+ A(const A&) = delete; // expected-warning {{C++11 extension}}
+ A& operator=(const A&) = delete; // expected-warning {{C++11 extension}}
+ A() = default; // expected-warning {{C++11 extension}}
~A();
};
-void f() = delete; // expected-warning {{accepted as a C++11 extension}}
-A::~A() = default; //expected-warning {{accepted as a C++11 extension}}
+void f() = delete; // expected-warning {{C++11 extension}}
+A::~A() = default; //expected-warning {{C++11 extension}}
virtual void f();
virtual void g();
};
-struct D final : B { // expected-warning {{'final' keyword accepted as a C++11 extension}}
- virtual void f() override; // expected-warning {{'override' keyword accepted as a C++11 extension}}
- virtual void g() final; // expected-warning {{'final' keyword accepted as a C++11 extension}}
+struct D final : B { // expected-warning {{'final' keyword is a C++11 extension}}
+ virtual void f() override; // expected-warning {{'override' keyword is a C++11 extension}}
+ virtual void g() final; // expected-warning {{'final' keyword is a C++11 extension}}
};
void NewBracedInitList() {
}
// PR2151
-void emptyInit() {struct {} x[] = {6};} //expected-warning{{empty struct (accepted as an extension) has size 0 in C, size 1 in C++}} \
+void emptyInit() {struct {} x[] = {6};} //expected-warning{{empty struct is a GNU extension}} \
// expected-error{{initializer for aggregate with no elements}}
void noNamedInit() {
};
static void sppp_ipv6cp_up();
-const struct {} ipcp = { sppp_ipv6cp_up }; //expected-warning{{empty struct (accepted as an extension) has size 0 in C, size 1 in C++}} \
+const struct {} ipcp = { sppp_ipv6cp_up }; //expected-warning{{empty struct is a GNU extension}} \
// expected-warning{{excess elements in struct initializer}}
struct _Matrix { union { float m[4][4]; }; }; //expected-warning{{anonymous unions are a GNU extension in C}}
void foo(void) {}
/* PR2759 */
-void test10 (int x[*]); /* expected-warning {{variable length arrays are a C99 feature, accepted as an extension}} */
-void test11 (int x[static 4]); /* expected-warning {{use of C99-specific array features}} */
+void test10 (int x[*]); /* expected-warning {{variable length arrays are a C99 feature}} */
+void test11 (int x[static 4]); /* expected-warning {{static array size is a C99 feature}} */
-void test12 (int x[const 4]) { /* expected-warning {{use of C99-specific array features}} */
- int Y[x[1]]; /* expected-warning {{variable length arrays are a C99 feature, accepted as an extension}} */
+void test12 (int x[const 4]) { /* expected-warning {{qualifier in array size is a C99 feature}} */
+ int Y[x[1]]; /* expected-warning {{variable length arrays are a C99 feature}} */
}
/* PR4074 */
static int *p2 = (int []){2,x}; // -expected-error {{initializer element is not a compile-time constant}}
static long *p3 = (long []){2,"x"}; // -expected-warning {{incompatible pointer to integer conversion initializing 'long' with an expression of type 'char [2]'}}
-typedef struct { } cache_t; // -expected-warning{{empty struct (accepted as an extension) has size 0 in C, size 1 in C++}}
+typedef struct { } cache_t; // -expected-warning{{empty struct is a GNU extension}}
static cache_t clo_I1_cache = ((cache_t) { } ); // -expected-warning{{use of GNU empty initializer extension}}
typedef struct Test {int a;int b;} Test;
\r
class C : public B { \r
private: \r
- using B::f; // expected-warning {{using declaration refers to inaccessible member 'ms_using_declaration_bug::B::f', which refers to accessible member 'ms_using_declaration_bug::A::f', accepted for Microsoft compatibility}}\r
+ using B::f; // expected-warning {{using declaration referring to inaccessible member 'ms_using_declaration_bug::B::f' (which refers to accessible member 'ms_using_declaration_bug::A::f') is a Microsoft compatibility extension}}\r
};\r
\r
}\r
virtual ~Base(); // expected-note {{implicitly declared private here}}
};
struct Foo : public Base { // expected-error {{base class 'Base' has private destructor}}
- const int kBlah = 3; // expected-warning {{accepted as a C++11 extension}}
+ const int kBlah = 3; // expected-warning {{is a C++11 extension}}
Foo();
};
struct Bar : public Foo {
// We allow VLAs of POD types, only.
void vla(int N) {
- int array1[N]; // expected-warning{{variable length arrays are a C99 feature, accepted as an extension}}
- POD array2[N]; // expected-warning{{variable length arrays are a C99 feature, accepted as an extension}}
+ int array1[N]; // expected-warning{{variable length arrays are a C99 feature}}
+ POD array2[N]; // expected-warning{{variable length arrays are a C99 feature}}
NonPOD array3[N]; // expected-error{{variable length array of non-POD element type 'NonPOD'}}
NonPOD2 array4[N][3]; // expected-error{{variable length array of non-POD element type 'NonPOD2'}}
}
/// Warn about VLAs in templates.
template<typename T>
void vla_in_template(int N, T t) {
- int array1[N]; // expected-warning{{variable length arrays are a C99 feature, accepted as an extension}}
+ int array1[N]; // expected-warning{{variable length arrays are a C99 feature}}
}
struct HasConstantValue {
template<typename T>
void vla_in_template(T t) {
- int array2[T::value]; // expected-warning{{variable length arrays are a C99 feature, accepted as an extension}}
+ int array2[T::value]; // expected-warning{{variable length arrays are a C99 feature}}
}
template void vla_in_template<HasConstantValue>(HasConstantValue);
// Cannot use any variably-modified type with a template parameter or
// argument.
void inst_with_vla(int N) {
- int array[N]; // expected-warning{{variable length arrays are a C99 feature, accepted as an extension}}
+ int array[N]; // expected-warning{{variable length arrays are a C99 feature}}
X0<__typeof__(array)> x0a; // expected-error{{variably modified type 'typeof (array)' (aka 'int [N]') cannot be used as a template argument}}
}
template<typename T>
struct X1 {
template<int (&Array)[T::value]> // expected-error{{non-type template parameter of variably modified type 'int (&)[HasNonConstantValue::value]'}} \
- // expected-warning{{variable length arrays are a C99 feature, accepted as an extension}}
+ // expected-warning{{variable length arrays are a C99 feature}}
struct Inner {
};
void accept_array(T (&array)[N]); // expected-note{{candidate template ignored: failed template argument deduction}}
void test_accept_array(int N) {
- int array[N]; // expected-warning{{variable length arrays are a C99 feature, accepted as an extension}}
+ int array[N]; // expected-warning{{variable length arrays are a C99 feature}}
accept_array(array); // expected-error{{no matching function for call to 'accept_array'}}
}
struct X {
int size;
int array[N]; // expected-error{{fields must have a constant size: 'variable length array in structure' extension will never be supported}} \
- // expected-warning{{variable length arrays are a C99 feature, accepted as an extension}}
+ // expected-warning{{variable length arrays are a C99 feature}}
};
}
float left;
float right;
};
- struct edge_info edgeInfo[x]; // expected-warning{{variable length arrays are a C99 feature, accepted as an extension}}
+ struct edge_info edgeInfo[x]; // expected-warning{{variable length arrays are a C99 feature}}
}
}
template<typename T>
void f(int i) {
const unsigned value = i;
- int array[value * i]; // expected-warning 2{{variable length arrays are a C99 feature, accepted as an extension}}
+ int array[value * i]; // expected-warning 2{{variable length arrays are a C99 feature}}
}
template void f<int>(int); // expected-note{{instantiation of}}
typedef typename T::my_int my_int;
void f0() {
int M = 4;
- my_int a[M]; // expected-warning{{variable length arrays are a C99 feature, accepted as an extension}}
+ my_int a[M]; // expected-warning{{variable length arrays are a C99 feature}}
}
};
B<A> a;
namespace PR8209 {
void f(int n) {
- typedef int vla_type[n]; // expected-warning{{variable length arrays are a C99 feature, accepted as an extension}}
+ typedef int vla_type[n]; // expected-warning{{variable length arrays are a C99 feature}}
(void)new vla_type; // expected-error{{variably}}
}
}
struct Point { int x; int y; };
-Point p1 = { .x = 17, // expected-warning{{designated initializers are a C99 feature, accepted in C++ as an extension}}
- y: 25 }; // expected-warning{{designated initializers are a C99 feature, accepted in C++ as an extension}} \
+Point p1 = { .x = 17, // expected-warning{{designated initializers are a C99 feature}}
+ y: 25 }; // expected-warning{{designated initializers are a C99 feature}} \
// expected-warning{{use of GNU old-style field designator extension}}
enum E1 { en1, en2 };
- int i = 0; // expected-warning {{in-class initialization of non-static data member accepted as a C++11 extension}}
+ int i = 0; // expected-warning {{in-class initialization of non-static data member is a C++11 extension}}
static int si = 0; // expected-error {{non-const static data member must be initialized out of line}}
static const NestedC ci = 0; // expected-error {{static data member of type 'const C::NestedC' must be initialized out of line}}
- static const int nci = vs; // expected-error {{in-class initializer is not a constant expression}}
+ static const int nci = vs; // expected-error {{in-class initializer for static data member is not a constant expression}}
static const int vi = 0;
static const volatile int cvi = 0; // ok, illegal in C++11
static const E evi = 0;
struct A {
static const float x = 5.0f; // expected-warning {{in-class initializer for static data member of type 'const float' is a GNU extension}}
- static const float y = foo(); // expected-warning {{in-class initializer for static data member of type 'const float' is a GNU extension}} expected-error {{in-class initializer is not a constant expression}}
+ static const float y = foo(); // expected-warning {{in-class initializer for static data member of type 'const float' is a GNU extension}} expected-error {{in-class initializer for static data member is not a constant expression}}
};
}
constexpr int f() { return 1; }
typedef double (*DoubleFn)();
typedef int (*IntFn)();
- int a[(int)DoubleFn(f)()]; // expected-error {{variable length array}} expected-warning{{extension}}
+ int a[(int)DoubleFn(f)()]; // expected-error {{variable length array}} expected-warning{{C99 feature}}
int b[(int)IntFn(f)()]; // ok
}
expected-error {{static_assert expression is not an integral constant expression}} \
expected-note {{in call to 'fail(zs[1][0][1][0])'}}
-constexpr int arr[40] = { 1, 2, 3, [8] = 4 }; // expected-warning {{extension}}
+constexpr int arr[40] = { 1, 2, 3, [8] = 4 }; // expected-warning {{C99 feature}}
constexpr int SumNonzero(const int *p) {
return *p + (*p ? SumNonzero(p+1) : 0);
}
int b;
};
-constexpr U u[4] = { { .a = 0 }, { .b = 1 }, { .a = 2 }, { .b = 3 } }; // expected-warning 4{{extension}}
+constexpr U u[4] = { { .a = 0 }, { .b = 1 }, { .a = 2 }, { .b = 3 } }; // expected-warning 4{{C99 feature}}
static_assert(u[0].a == 0, "");
static_assert(u[0].b, ""); // expected-error {{constant expression}} expected-note {{read of member 'b' of union with active member 'a'}}
static_assert(u[1].b == 1, "");
int i = 0;
static int si = 0; // expected-error {{non-const static data member must be initialized out of line}}
static const NestedC ci = 0; // expected-error {{static data member of type 'const C::NestedC' must be initialized out of line}}
- static const int nci = vs; // expected-error {{in-class initializer is not a constant expression}}
+ static const int nci = vs; // expected-error {{in-class initializer for static data member is not a constant expression}}
static const int vi = 0;
static const volatile int cvi = 0; // expected-error {{static const volatile data member must be initialized out of line}}
};
struct A {
static const float x = 5.0f; // expected-warning {{GNU extension}} expected-note {{use 'constexpr' specifier to silence this warning}}
- static const float y = foo(); // expected-warning {{GNU extension}} expected-note {{use 'constexpr' specifier to silence this warning}} expected-error {{in-class initializer is not a constant expression}}
+ static const float y = foo(); // expected-warning {{GNU extension}} expected-note {{use 'constexpr' specifier to silence this warning}} expected-error {{in-class initializer for static data member is not a constant expression}}
static constexpr float x2 = 5.0f;
static constexpr float y2 = foo(); // expected-error {{must be initialized by a constant expression}} expected-note {{non-constexpr function 'foo'}}
};
namespace rdar9204520 {
struct A {
- static const int B = int(0.75 * 1000 * 1000); // expected-warning {{not a constant expression, accepted as an extension}}
+ static const int B = int(0.75 * 1000 * 1000); // expected-warning {{not a constant expression; folding it to a constant is a GNU extension}}
};
int foo() { return A::B; }
template<> struct N::B<int> { }; // okay
-template<> struct N::B<float> { }; // expected-warning{{originally}}
+template<> struct N::B<float> { }; // expected-warning{{C++11 extension}}
namespace M {
template<> struct ::N::B<short> { }; // expected-error{{class template specialization of 'B' not in a namespace enclosing 'N'}}
template<typename T, T Divisor>
class X {
public:
- static const T value = 10 / Divisor; // expected-error{{in-class initializer is not a constant expression}}
+ static const T value = 10 / Divisor; // expected-error{{in-class initializer for static data member is not a constant expression}}
};
int array1[X<int, 2>::value == 5? 1 : -1];
template class X1<char>;
}
-
}
template<typename T>
-struct N::M::A<T*> { }; // expected-warning{{originally}}
+struct N::M::A<T*> { }; // expected-warning{{C++11 extension}}
// C++ [temp.class.spec]p9
// bullet 1