r320250 - Switch to gnu++14 as the default dialect.
Richard Smith via cfe-commits
cfe-commits at lists.llvm.org
Sat Dec 9 16:58:18 PST 2017
Thank you and everyone else who has helped to make this happen!
On 9 Dec 2017 04:10, "Tim Northover via cfe-commits" <
cfe-commits at lists.llvm.org> wrote:
> Author: tnorthover
> Date: Sat Dec 9 04:09:54 2017
> New Revision: 320250
>
> URL: http://llvm.org/viewvc/llvm-project?rev=320250&view=rev
> Log:
> Switch to gnu++14 as the default dialect.
>
> This is C++14 with conforming GNU extensions.
>
> Modified:
> cfe/trunk/docs/ReleaseNotes.rst
> cfe/trunk/lib/Frontend/CompilerInvocation.cpp
> cfe/trunk/test/CodeGenCXX/new-overflow.cpp
> cfe/trunk/test/CodeGenCXX/new.cpp
> cfe/trunk/test/CodeGenCXX/vtable-available-externally.cpp
> cfe/trunk/test/Lexer/cxx-features.cpp
> cfe/trunk/test/Lexer/half-literal.cpp
> cfe/trunk/test/OpenMP/taskloop_reduction_codegen.cpp
> cfe/trunk/test/OpenMP/taskloop_simd_reduction_codegen.cpp
> cfe/trunk/test/Parser/cxx1z-nested-namespace-definition.cpp
> cfe/trunk/test/SemaCXX/new-array-size-conv.cpp
> cfe/trunk/test/SemaCXX/new-delete.cpp
> cfe/trunk/test/SemaCXX/unknown-type-name.cpp
> cfe/trunk/test/SemaTemplate/class-template-decl.cpp
> cfe/trunk/test/SemaTemplate/explicit-instantiation.cpp
>
> Modified: cfe/trunk/docs/ReleaseNotes.rst
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/
> ReleaseNotes.rst?rev=320250&r1=320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/docs/ReleaseNotes.rst (original)
> +++ cfe/trunk/docs/ReleaseNotes.rst Sat Dec 9 04:09:54 2017
> @@ -176,7 +176,10 @@ C11 Feature Support
> C++ Language Changes in Clang
> -----------------------------
>
> -...
> +- Clang's default C++ dialect is now ``gnu++14`` instead of ``gnu++98``.
> This
> + means Clang will by default accept code using features from C++14 and
> + conforming GNU extensions. Projects incompatible with C++14 can add
> + ``-std=gnu++98`` to their build settings to restore the previous
> behaviour.
>
> C++1z Feature Support
> ^^^^^^^^^^^^^^^^^^^^^
>
> Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/
> Frontend/CompilerInvocation.cpp?rev=320250&r1=320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
> +++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Sat Dec 9 04:09:54 2017
> @@ -1729,11 +1729,7 @@ void CompilerInvocation::setLangDefaults
> break;
> case InputKind::CXX:
> case InputKind::ObjCXX:
> - // The PS4 uses C++11 as the default C++ standard.
> - if (T.isPS4())
> - LangStd = LangStandard::lang_gnucxx11;
> - else
> - LangStd = LangStandard::lang_gnucxx98;
> + LangStd = LangStandard::lang_gnucxx14;
> break;
> case InputKind::RenderScript:
> LangStd = LangStandard::lang_c99;
>
> Modified: cfe/trunk/test/CodeGenCXX/new-overflow.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/
> CodeGenCXX/new-overflow.cpp?rev=320250&r1=320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/test/CodeGenCXX/new-overflow.cpp (original)
> +++ cfe/trunk/test/CodeGenCXX/new-overflow.cpp Sat Dec 9 04:09:54 2017
> @@ -85,9 +85,7 @@ namespace test4 {
>
> // CHECK: define [[A:%.*]]* @_ZN5test44testEs(i16 signext
> // CHECK: [[N:%.*]] = sext i16 {{%.*}} to i32
> - // CHECK-NEXT: [[T0:%.*]] = icmp slt i32 [[N]], 0
> - // CHECK-NEXT: [[T1:%.*]] = select i1 [[T0]], i32 -1, i32 [[N]]
> - // CHECK-NEXT: call i8* @_Znaj(i32 [[T1]])
> + // CHECK-NEXT: call i8* @_Znaj(i32 [[N]])
> // CHECK: getelementptr inbounds {{.*}}, i32 [[N]]
> elt *test(short s) {
> return new elt[s];
> @@ -104,9 +102,7 @@ namespace test5 {
>
> // CHECK: define [[A:%.*]]* @_ZN5test54testEi(i32
> // CHECK: [[N:%.*]] = load i32, i32*
> - // CHECK-NEXT: [[T0:%.*]] = icmp slt i32 [[N]], 0
> - // CHECK-NEXT: [[T1:%.*]] = select i1 [[T0]], i32 -1, i32 [[N]]
> - // CHECK-NEXT: call i8* @_Znaj(i32 [[T1]])
> + // CHECK-NEXT: call i8* @_Znaj(i32 [[N]])
> // CHECK: getelementptr inbounds {{.*}}, i32 [[N]]
> elt *test(int s) {
> return new elt[s];
> @@ -169,13 +165,11 @@ namespace test8 {
>
> // CHECK: define [[A:%.*]]* @_ZN5test84testEx(i64
> // CHECK: [[N:%.*]] = load i64, i64*
> - // CHECK-NEXT: [[T0:%.*]] = icmp uge i64 [[N]], 4294967296
> // CHECK-NEXT: [[T1:%.*]] = trunc i64 [[N]] to i32
> // CHECK-NEXT: [[T2:%.*]] = call { i32, i1 }
> @llvm.umul.with.overflow.i32(i32 [[T1]], i32 4)
> // CHECK-NEXT: [[T3:%.*]] = extractvalue { i32, i1 } [[T2]], 1
> - // CHECK-NEXT: [[T4:%.*]] = or i1 [[T0]], [[T3]]
> // CHECK-NEXT: [[T5:%.*]] = extractvalue { i32, i1 } [[T2]], 0
> - // CHECK-NEXT: [[T6:%.*]] = select i1 [[T4]], i32 -1, i32 [[T5]]
> + // CHECK-NEXT: [[T6:%.*]] = select i1 [[T3]], i32 -1, i32 [[T5]]
> // CHECK-NEXT: call i8* @_Znaj(i32 [[T6]])
> // CHECK: getelementptr inbounds {{.*}}, i32 [[T1]]
> elt *test(long long s) {
> @@ -194,13 +188,11 @@ namespace test9 {
>
> // CHECK: define [[A:%.*]]* @_ZN5test94testEy(i64
> // CHECK: [[N:%.*]] = load i64, i64*
> - // CHECK-NEXT: [[T0:%.*]] = icmp uge i64 [[N]], 4294967296
> // CHECK-NEXT: [[T1:%.*]] = trunc i64 [[N]] to i32
> // CHECK-NEXT: [[T2:%.*]] = call { i32, i1 }
> @llvm.umul.with.overflow.i32(i32 [[T1]], i32 4)
> // CHECK-NEXT: [[T3:%.*]] = extractvalue { i32, i1 } [[T2]], 1
> - // CHECK-NEXT: [[T4:%.*]] = or i1 [[T0]], [[T3]]
> // CHECK-NEXT: [[T5:%.*]] = extractvalue { i32, i1 } [[T2]], 0
> - // CHECK-NEXT: [[T6:%.*]] = select i1 [[T4]], i32 -1, i32 [[T5]]
> + // CHECK-NEXT: [[T6:%.*]] = select i1 [[T3]], i32 -1, i32 [[T5]]
> // CHECK-NEXT: call i8* @_Znaj(i32 [[T6]])
> // CHECK: getelementptr inbounds {{.*}}, i32 [[T1]]
> elt *test(unsigned long long s) {
>
> Modified: cfe/trunk/test/CodeGenCXX/new.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/
> CodeGenCXX/new.cpp?rev=320250&r1=320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/test/CodeGenCXX/new.cpp (original)
> +++ cfe/trunk/test/CodeGenCXX/new.cpp Sat Dec 9 04:09:54 2017
> @@ -255,8 +255,6 @@ namespace test15 {
> // CHECK-LABEL: define void @_ZN6test155test2EPvi(
> // CHECK: [[N:%.*]] = load i32, i32*
> // CHECK-NEXT: [[T0:%.*]] = sext i32 [[N]] to i64
> - // CHECK-NEXT: [[T1:%.*]] = icmp slt i64 [[T0]], 0
> - // CHECK-NEXT: [[T2:%.*]] = select i1 [[T1]], i64 -1, i64 [[T0]]
> // CHECK-NEXT: [[P:%.*]] = load i8*, i8**
> // CHECK: [[BEGIN:%.*]] = bitcast i8* [[P]] to [[A:%.*]]*
> // CHECK-NEXT: [[ISEMPTY:%.*]] = icmp eq i64 [[T0]], 0
>
> Modified: cfe/trunk/test/CodeGenCXX/vtable-available-externally.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/
> CodeGenCXX/vtable-available-externally.cpp?rev=320250&r1=
> 320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/test/CodeGenCXX/vtable-available-externally.cpp (original)
> +++ cfe/trunk/test/CodeGenCXX/vtable-available-externally.cpp Sat Dec 9
> 04:09:54 2017
> @@ -1,5 +1,5 @@
> -// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -emit-llvm -o %t
> -// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -O2
> -disable-llvm-passes -emit-llvm -o %t.opt
> +// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -std=c++98
> -emit-llvm -o %t
> +// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -std=c++98 -O2
> -disable-llvm-passes -emit-llvm -o %t.opt
> // RUN: FileCheck --check-prefix=CHECK-TEST1 %s < %t
> // RUN: FileCheck --check-prefix=CHECK-TEST2 %s < %t
> // RUN: FileCheck --check-prefix=CHECK-TEST5 %s < %t
>
> Modified: cfe/trunk/test/Lexer/cxx-features.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Lexer/
> cxx-features.cpp?rev=320250&r1=320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/test/Lexer/cxx-features.cpp (original)
> +++ cfe/trunk/test/Lexer/cxx-features.cpp Sat Dec 9 04:09:54 2017
> @@ -4,8 +4,8 @@
> // RUN: %clang_cc1 -std=c++14 -fcxx-exceptions -fsized-deallocation
> -verify %s
> // RUN: %clang_cc1 -std=c++1z -fcxx-exceptions -fsized-deallocation
> -verify %s
> // RUN: %clang_cc1 -std=c++1z -fcxx-exceptions -fsized-deallocation
> -fconcepts-ts -DCONCEPTS_TS=1 -verify %s
> -// RUN: %clang_cc1 -fno-rtti -fno-threadsafe-statics -verify %s
> -DNO_EXCEPTIONS -DNO_RTTI -DNO_THREADSAFE_STATICS
> -// RUN: %clang_cc1 -fcoroutines-ts -DNO_EXCEPTIONS -DCOROUTINES -verify %s
> +// RUN: %clang_cc1 -fno-rtti -fno-threadsafe-statics -verify %s
> -DNO_EXCEPTIONS -DNO_RTTI -DNO_THREADSAFE_STATICS -fsized-deallocation
> +// RUN: %clang_cc1 -fcoroutines-ts -DNO_EXCEPTIONS -DCOROUTINES -verify
> -fsized-deallocation %s
>
> // expected-no-diagnostics
>
>
> Modified: cfe/trunk/test/Lexer/half-literal.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Lexer/
> half-literal.cpp?rev=320250&r1=320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/test/Lexer/half-literal.cpp (original)
> +++ cfe/trunk/test/Lexer/half-literal.cpp Sat Dec 9 04:09:54 2017
> @@ -1,5 +1,5 @@
> // RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
> -float a = 1.0h; // expected-error{{invalid suffix 'h' on floating
> constant}}
> +float a = 1.0h; // expected-error{{no matching literal operator for call
> to 'operator""h' with argument of type 'long double' or 'const char *', and
> no matching literal operator template}}
> float b = 1.0H; // expected-error{{invalid suffix 'H' on floating
> constant}}
>
> _Float16 c = 1.f166; // expected-error{{invalid suffix 'f166' on floating
> constant}}
>
> Modified: cfe/trunk/test/OpenMP/taskloop_reduction_codegen.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/
> taskloop_reduction_codegen.cpp?rev=320250&r1=320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/test/OpenMP/taskloop_reduction_codegen.cpp (original)
> +++ cfe/trunk/test/OpenMP/taskloop_reduction_codegen.cpp Sat Dec 9
> 04:09:54 2017
> @@ -1,4 +1,4 @@
> -// RUN: %clang_cc1 -fopenmp -x c++ %s -verify -debug-info-kind=limited
> -emit-llvm -o - -triple powerpc64le-unknown-linux-gnu | FileCheck %s
> +// RUN: %clang_cc1 -fopenmp -x c++ %s -verify -debug-info-kind=limited
> -emit-llvm -o - -triple powerpc64le-unknown-linux-gnu -std=c++98 |
> FileCheck %s
> // expected-no-diagnostics
>
> struct S {
>
> Modified: cfe/trunk/test/OpenMP/taskloop_simd_reduction_codegen.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/
> taskloop_simd_reduction_codegen.cpp?rev=320250&r1=
> 320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/test/OpenMP/taskloop_simd_reduction_codegen.cpp (original)
> +++ cfe/trunk/test/OpenMP/taskloop_simd_reduction_codegen.cpp Sat Dec 9
> 04:09:54 2017
> @@ -1,4 +1,4 @@
> -// RUN: %clang_cc1 -fopenmp -x c++ %s -verify -debug-info-kind=limited
> -emit-llvm -o - -triple powerpc64le-unknown-linux-gnu | FileCheck %s
> +// RUN: %clang_cc1 -fopenmp -x c++ %s -verify -debug-info-kind=limited
> -emit-llvm -o - -triple powerpc64le-unknown-linux-gnu -std=c++98 |
> FileCheck %s
> // expected-no-diagnostics
>
> struct S {
>
> Modified: cfe/trunk/test/Parser/cxx1z-nested-namespace-definition.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Parser/
> cxx1z-nested-namespace-definition.cpp?rev=320250&r1=
> 320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/test/Parser/cxx1z-nested-namespace-definition.cpp (original)
> +++ cfe/trunk/test/Parser/cxx1z-nested-namespace-definition.cpp Sat Dec
> 9 04:09:54 2017
> @@ -1,5 +1,5 @@
> // RUN: cp %s %t
> -// RUN: %clang_cc1 -fsyntax-only -verify %s
> +// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++98
> // RUN: not %clang_cc1 -x c++ -fixit %t -Werror -DFIXIT
> // RUN: %clang_cc1 -x c++ %t -DFIXIT
> // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++17 -Wc++14-compat
>
> Modified: cfe/trunk/test/SemaCXX/new-array-size-conv.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/
> SemaCXX/new-array-size-conv.cpp?rev=320250&r1=320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/test/SemaCXX/new-array-size-conv.cpp (original)
> +++ cfe/trunk/test/SemaCXX/new-array-size-conv.cpp Sat Dec 9 04:09:54
> 2017
> @@ -1,4 +1,4 @@
> -// RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s
> +// RUN: %clang_cc1 -fsyntax-only -pedantic -verify -std=gnu++98 %s
> // RUN: %clang_cc1 -fsyntax-only -pedantic -verify -std=c++98 %s
> // RUN: %clang_cc1 -fsyntax-only -pedantic -verify -std=c++11 %s
>
>
> Modified: cfe/trunk/test/SemaCXX/new-delete.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/
> SemaCXX/new-delete.cpp?rev=320250&r1=320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/test/SemaCXX/new-delete.cpp (original)
> +++ cfe/trunk/test/SemaCXX/new-delete.cpp Sat Dec 9 04:09:54 2017
> @@ -80,12 +80,21 @@ void bad_news(int *ip)
> (void)new int[1.1];
> #if __cplusplus <= 199711L
> // expected-error at -2 {{array size expression must have integral or
> enumeration type, not 'double'}}
> -#else
> +#elif __cplusplus <= 201103L
> // expected-error at -4 {{array size expression must have integral or
> unscoped enumeration type, not 'double'}}
> +#else
> + // expected-warning at -6 {{implicit conversion from 'double' to
> 'unsigned int' changes value from 1.1 to 1}}
> #endif
>
> - (void)new int[1][i]; // expected-error {{only the first dimension}}
> expected-note {{read of non-const variable 'i' is not allowed in a constant
> expression}}
> - (void)new (int[1][i]); // expected-error {{only the first dimension}}
> expected-note {{read of non-const variable 'i' is not allowed in a constant
> expression}}
> + (void)new int[1][i]; // expected-note {{read of non-const variable 'i'
> is not allowed in a constant expression}}
> + (void)new (int[1][i]); // expected-note {{read of non-const variable
> 'i' is not allowed in a constant expression}}
> +#if __cplusplus <= 201103L
> + // expected-error at -3 {{only the first dimension}}
> + // expected-error at -3 {{only the first dimension}}
> +#else
> + // expected-error at -6 {{array size is not a constant expression}}
> + // expected-error at -6 {{array size is not a constant expression}}
> +#endif
> (void)new (int[i]); // expected-warning {{when type is in parentheses}}
> (void)new int(*(S*)0); // expected-error {{no viable conversion from
> 'S' to 'int'}}
> (void)new int(1, 2); // expected-error {{excess elements in scalar
> initializer}}
> @@ -94,13 +103,20 @@ void bad_news(int *ip)
> (void)new const int; // expected-error {{default initialization of an
> object of const type 'const int'}}
> (void)new float*(ip); // expected-error {{cannot initialize a new value
> of type 'float *' with an lvalue of type 'int *'}}
> // Undefined, but clang should reject it directly.
> - (void)new int[-1]; // expected-error {{array size is negative}}
> + (void)new int[-1];
> +#if __cplusplus <= 201103L
> + // expected-error at -2 {{array size is negative}}
> +#else
> + // expected-error at -4 {{array is too large}}
> +#endif
> (void)new int[2000000000]; // expected-error {{array is too large}}
> (void)new int[*(S*)0];
> #if __cplusplus <= 199711L
> // expected-error at -2 {{array size expression must have integral or
> enumeration type, not 'S'}}
> -#else
> +#elif __cplusplus <= 201103L
> // expected-error at -4 {{array size expression must have integral or
> unscoped enumeration type, not 'S'}}
> +#else
> + // expected-error at -6 {{converting 'S' to incompatible type}}
> #endif
>
> (void)::S::new int; // expected-error {{expected unqualified-id}}
>
> Modified: cfe/trunk/test/SemaCXX/unknown-type-name.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/
> SemaCXX/unknown-type-name.cpp?rev=320250&r1=320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/test/SemaCXX/unknown-type-name.cpp (original)
> +++ cfe/trunk/test/SemaCXX/unknown-type-name.cpp Sat Dec 9 04:09:54 2017
> @@ -95,7 +95,10 @@ template<typename T> int A<T>::h(T::type
> template<typename T> int h(T::type, int); // expected-error{{missing
> 'typename'}}
> template<typename T> int h(T::type x, char); // expected-error{{missing
> 'typename'}}
>
> -template<typename T> int junk1(T::junk); // expected-warning{{variable
> templates are a C++14 extension}}
> +template<typename T> int junk1(T::junk);
> +#if __cplusplus <= 201103L
> +// expected-warning at -2 {{variable templates are a C++14 extension}}
> +#endif
> template<typename T> int junk2(T::junk) throw(); //
> expected-error{{missing 'typename'}}
> template<typename T> int junk3(T::junk) = delete; //
> expected-error{{missing 'typename'}}
> #if __cplusplus <= 199711L
> @@ -106,7 +109,11 @@ template<typename T> int junk4(T::junk j
>
> // FIXME: We can tell this was intended to be a function because it does
> not
> // have a dependent nested name specifier.
> -template<typename T> int i(T::type, int()); // expected-warning{{variable
> templates are a C++14 extension}}
> +template<typename T> int i(T::type, int());
> +#if __cplusplus <= 201103L
> +// expected-warning at -2 {{variable templates are a C++14 extension}}
> +#endif
> +
>
> // FIXME: We know which type specifier should have been specified here.
> Provide
> // a fix-it to add 'typename A<T>::type'
>
> Modified: cfe/trunk/test/SemaTemplate/class-template-decl.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/
> SemaTemplate/class-template-decl.cpp?rev=320250&r1=320249&
> r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/test/SemaTemplate/class-template-decl.cpp (original)
> +++ cfe/trunk/test/SemaTemplate/class-template-decl.cpp Sat Dec 9
> 04:09:54 2017
> @@ -57,8 +57,7 @@ void f() {
> template<typename T> class X; // expected-error{{expression}}
> }
>
> -template<typename T> class X1 var; // expected-warning{{variable
> templates are a C++14 extension}} \
> - // expected-error {{variable has
> incomplete type 'class X1'}} \
> +template<typename T> class X1 var; // expected-error {{variable has
> incomplete type 'class X1'}} \
> // expected-note {{forward declaration
> of 'X1'}}
>
> namespace M {
>
> Modified: cfe/trunk/test/SemaTemplate/explicit-instantiation.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/
> SemaTemplate/explicit-instantiation.cpp?rev=320250&
> r1=320249&r2=320250&view=diff
> ============================================================
> ==================
> --- cfe/trunk/test/SemaTemplate/explicit-instantiation.cpp (original)
> +++ cfe/trunk/test/SemaTemplate/explicit-instantiation.cpp Sat Dec 9
> 04:09:54 2017
> @@ -124,10 +124,10 @@ namespace PR10086 {
> namespace undefined_static_data_member {
> template<typename T> struct A {
> static int a; // expected-note {{here}}
> - template<typename U> static int b; // expected-note {{here}}
> expected-warning {{extension}}
> + template<typename U> static int b; // expected-note {{here}}
> expected-warning 0+ {{extension}}
> };
> struct B {
> - template<typename U> static int c; // expected-note {{here}}
> expected-warning {{extension}}
> + template<typename U> static int c; // expected-note {{here}}
> expected-warning 0+ {{extension}}
> };
>
> template int A<int>::a; // expected-error {{explicit instantiation of
> undefined static data member 'a' of class template
> 'undefined_static_data_member::A<int>'}}
> @@ -137,14 +137,14 @@ namespace undefined_static_data_member {
>
> template<typename T> struct C {
> static int a;
> - template<typename U> static int b; // expected-warning {{extension}}
> + template<typename U> static int b; // expected-warning 0+
> {{extension}}
> };
> struct D {
> - template<typename U> static int c; // expected-warning {{extension}}
> + template<typename U> static int c; // expected-warning 0+
> {{extension}}
> };
> template<typename T> int C<T>::a;
> - template<typename T> template<typename U> int C<T>::b; //
> expected-warning {{extension}}
> - template<typename U> int D::c; // expected-warning {{extension}}
> + template<typename T> template<typename U> int C<T>::b; //
> expected-warning 0+ {{extension}}
> + template<typename U> int D::c; // expected-warning 0+ {{extension}}
>
> template int C<int>::a;
> template int C<int>::b<int>;
>
>
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