head 1.1; branch 1.1.1; access; symbols netbsd-11-0-RC4:1.1.1.5 netbsd-11-0-RC3:1.1.1.5 netbsd-11-0-RC2:1.1.1.5 netbsd-11-0-RC1:1.1.1.5 perseant-exfatfs-base-20250801:1.1.1.5 netbsd-11:1.1.1.5.0.10 netbsd-11-base:1.1.1.5 netbsd-10-1-RELEASE:1.1.1.5 perseant-exfatfs-base-20240630:1.1.1.5 perseant-exfatfs:1.1.1.5.0.8 perseant-exfatfs-base:1.1.1.5 netbsd-8-3-RELEASE:1.1.1.3 netbsd-9-4-RELEASE:1.1.1.4 netbsd-10-0-RELEASE:1.1.1.5 netbsd-10-0-RC6:1.1.1.5 netbsd-10-0-RC5:1.1.1.5 netbsd-10-0-RC4:1.1.1.5 netbsd-10-0-RC3:1.1.1.5 netbsd-10-0-RC2:1.1.1.5 netbsd-10-0-RC1:1.1.1.5 netbsd-10:1.1.1.5.0.6 netbsd-10-base:1.1.1.5 netbsd-9-3-RELEASE:1.1.1.4 cjep_sun2x:1.1.1.5.0.4 cjep_sun2x-base:1.1.1.5 cjep_staticlib_x-base1:1.1.1.5 netbsd-9-2-RELEASE:1.1.1.4 cjep_staticlib_x:1.1.1.5.0.2 cjep_staticlib_x-base:1.1.1.5 netbsd-9-1-RELEASE:1.1.1.4 phil-wifi-20200421:1.1.1.5 phil-wifi-20200411:1.1.1.5 phil-wifi-20200406:1.1.1.5 netbsd-8-2-RELEASE:1.1.1.3 netbsd-9-0-RELEASE:1.1.1.4 netbsd-9-0-RC2:1.1.1.4 netbsd-9-0-RC1:1.1.1.4 netbsd-9:1.1.1.4.0.2 netbsd-9-base:1.1.1.4 phil-wifi-20190609:1.1.1.4 netbsd-8-1-RELEASE:1.1.1.3 netbsd-8-1-RC1:1.1.1.3 pgoyette-compat-merge-20190127:1.1.1.3.12.1 pgoyette-compat-20190127:1.1.1.4 pgoyette-compat-20190118:1.1.1.4 pgoyette-compat-1226:1.1.1.4 pgoyette-compat-1126:1.1.1.4 pgoyette-compat-1020:1.1.1.4 pgoyette-compat-0930:1.1.1.4 pgoyette-compat-0906:1.1.1.4 netbsd-7-2-RELEASE:1.1.1.2 pgoyette-compat-0728:1.1.1.4 clang-337282:1.1.1.4 netbsd-8-0-RELEASE:1.1.1.3 phil-wifi:1.1.1.3.0.14 phil-wifi-base:1.1.1.3 pgoyette-compat-0625:1.1.1.3 netbsd-8-0-RC2:1.1.1.3 pgoyette-compat-0521:1.1.1.3 pgoyette-compat-0502:1.1.1.3 pgoyette-compat-0422:1.1.1.3 netbsd-8-0-RC1:1.1.1.3 pgoyette-compat-0415:1.1.1.3 pgoyette-compat-0407:1.1.1.3 pgoyette-compat-0330:1.1.1.3 pgoyette-compat-0322:1.1.1.3 pgoyette-compat-0315:1.1.1.3 netbsd-7-1-2-RELEASE:1.1.1.2 pgoyette-compat:1.1.1.3.0.12 pgoyette-compat-base:1.1.1.3 netbsd-7-1-1-RELEASE:1.1.1.2 clang-319952:1.1.1.3 matt-nb8-mediatek:1.1.1.3.0.10 matt-nb8-mediatek-base:1.1.1.3 clang-309604:1.1.1.3 perseant-stdc-iso10646:1.1.1.3.0.8 perseant-stdc-iso10646-base:1.1.1.3 netbsd-8:1.1.1.3.0.6 netbsd-8-base:1.1.1.3 prg-localcount2-base3:1.1.1.3 prg-localcount2-base2:1.1.1.3 prg-localcount2-base1:1.1.1.3 prg-localcount2:1.1.1.3.0.4 prg-localcount2-base:1.1.1.3 pgoyette-localcount-20170426:1.1.1.3 bouyer-socketcan-base1:1.1.1.3 pgoyette-localcount-20170320:1.1.1.3 netbsd-7-1:1.1.1.2.0.12 netbsd-7-1-RELEASE:1.1.1.2 netbsd-7-1-RC2:1.1.1.2 clang-294123:1.1.1.3 netbsd-7-nhusb-base-20170116:1.1.1.2 bouyer-socketcan:1.1.1.3.0.2 bouyer-socketcan-base:1.1.1.3 clang-291444:1.1.1.3 pgoyette-localcount-20170107:1.1.1.2 netbsd-7-1-RC1:1.1.1.2 pgoyette-localcount-20161104:1.1.1.2 netbsd-7-0-2-RELEASE:1.1.1.2 localcount-20160914:1.1.1.2 netbsd-7-nhusb:1.1.1.2.0.10 netbsd-7-nhusb-base:1.1.1.2 clang-280599:1.1.1.2 pgoyette-localcount-20160806:1.1.1.2 pgoyette-localcount-20160726:1.1.1.2 pgoyette-localcount:1.1.1.2.0.8 pgoyette-localcount-base:1.1.1.2 netbsd-7-0-1-RELEASE:1.1.1.2 clang-261930:1.1.1.2 netbsd-7-0:1.1.1.2.0.6 netbsd-7-0-RELEASE:1.1.1.2 netbsd-7-0-RC3:1.1.1.2 netbsd-7-0-RC2:1.1.1.2 netbsd-7-0-RC1:1.1.1.2 clang-237755:1.1.1.2 clang-232565:1.1.1.2 clang-227398:1.1.1.2 tls-maxphys-base:1.1.1.2 tls-maxphys:1.1.1.2.0.4 netbsd-7:1.1.1.2.0.2 netbsd-7-base:1.1.1.2 clang-215315:1.1.1.2 clang-209886:1.1.1.2 yamt-pagecache:1.1.1.1.0.4 yamt-pagecache-base9:1.1.1.1 tls-earlyentropy:1.1.1.1.0.2 tls-earlyentropy-base:1.1.1.2 riastradh-xf86-video-intel-2-7-1-pre-2-21-15:1.1.1.1 riastradh-drm2-base3:1.1.1.1 clang-202566:1.1.1.1 clang-201163:1.1.1.1 clang-199312:1.1.1.1 clang-198450:1.1.1.1 clang-196603:1.1.1.1 clang-195771:1.1.1.1 LLVM:1.1.1; locks; strict; comment @// @; 1.1 date 2013.11.28.14.14.56; author joerg; state Exp; branches 1.1.1.1; next ; commitid ow8OybrawrB1f3fx; 1.1.1.1 date 2013.11.28.14.14.56; author joerg; state Exp; branches 1.1.1.1.2.1 1.1.1.1.4.1; next 1.1.1.2; commitid ow8OybrawrB1f3fx; 1.1.1.2 date 2014.05.30.18.14.49; author joerg; state Exp; branches 1.1.1.2.4.1 1.1.1.2.8.1; next 1.1.1.3; commitid 8q0kdlBlCn09GACx; 1.1.1.3 date 2017.01.11.10.37.46; author joerg; state Exp; branches 1.1.1.3.12.1 1.1.1.3.14.1; next 1.1.1.4; commitid CNnUNfII1jgNmxBz; 1.1.1.4 date 2018.07.17.18.31.33; author joerg; state Exp; branches; next 1.1.1.5; commitid wDzL46ALjrCZgwKA; 1.1.1.5 date 2019.11.13.22.22.56; author joerg; state dead; branches; next ; commitid QD8YATxuNG34YJKB; 1.1.1.1.2.1 date 2014.08.10.07.08.23; author tls; state Exp; branches; next ; commitid t01A1TLTYxkpGMLx; 1.1.1.1.4.1 date 2013.11.28.14.14.56; author yamt; state dead; branches; next 1.1.1.1.4.2; commitid WSrDtL5nYAUyiyBx; 1.1.1.1.4.2 date 2014.05.22.16.19.42; author yamt; state Exp; branches; next ; commitid WSrDtL5nYAUyiyBx; 1.1.1.2.4.1 date 2014.05.30.18.14.49; author tls; state dead; branches; next 1.1.1.2.4.2; commitid jTnpym9Qu0o4R1Nx; 1.1.1.2.4.2 date 2014.08.19.23.49.20; author tls; state Exp; branches; next ; commitid jTnpym9Qu0o4R1Nx; 1.1.1.2.8.1 date 2017.03.20.06.53.34; author pgoyette; state Exp; branches; next ; commitid jjw7cAwgyKq7RfKz; 1.1.1.3.12.1 date 2018.07.28.04.34.12; author pgoyette; state Exp; branches; next ; commitid 1UP1xAIUxv1ZgRLA; 1.1.1.3.14.1 date 2019.06.10.21.46.36; author christos; state Exp; branches; next 1.1.1.3.14.2; commitid jtc8rnCzWiEEHGqB; 1.1.1.3.14.2 date 2020.04.13.07.50.24; author martin; state dead; branches; next ; commitid X01YhRUPVUDaec4C; desc @@ 1.1 log @Initial revision @ text @// RUN: %clang_cc1 -fsyntax-only -Wunused-variable -Wunused-label -verify %s template void f() { T t; t = 17; } // PR5407 struct A { A(); }; struct B { ~B(); }; void f() { A a; B b; } // PR5531 namespace PR5531 { struct A { }; struct B { B(int); }; struct C { ~C(); }; void test() { A(); B(17); C(); } } template struct X0 { }; template void test_dependent_init(T *p) { X0 i(p); (void)i; } void unused_local_static() { static int x = 0; static int y = 0; // expected-warning{{unused variable 'y'}} #pragma unused(x) } // PR10168 namespace PR10168 { // We expect a warning in the definition only for non-dependent variables, and // a warning in the instantiation only for dependent variables. template struct S { void f() { int a; // expected-warning {{unused variable 'a'}} T b; // expected-warning 2{{unused variable 'b'}} } }; template void f() { int a; // expected-warning {{unused variable 'a'}} T b; // expected-warning 2{{unused variable 'b'}} } void g() { S().f(); // expected-note {{here}} S().f(); // expected-note {{here}} f(); // expected-note {{here}} f(); // expected-note {{here}} } } namespace PR11550 { struct S1 { S1(); }; S1 makeS1(); void testS1(S1 a) { // This constructor call can be elided. S1 x = makeS1(); // expected-warning {{unused variable 'x'}} // This one cannot, so no warning. S1 y; // This call cannot, but the constructor is trivial. S1 z = a; // expected-warning {{unused variable 'z'}} } // The same is true even when we know thet constructor has side effects. void foo(); struct S2 { S2() { foo(); } }; S2 makeS2(); void testS2(S2 a) { S2 x = makeS2(); // expected-warning {{unused variable 'x'}} S2 y; S2 z = a; // expected-warning {{unused variable 'z'}} } // Or when the constructor is not declared by the user. struct S3 { S1 m; }; S3 makeS3(); void testS3(S3 a) { S3 x = makeS3(); // expected-warning {{unused variable 'x'}} S3 y; S3 z = a; // expected-warning {{unused variable 'z'}} } } namespace ctor_with_cleanups { struct S1 { ~S1(); }; struct S2 { S2(const S1&); }; void func() { S2 s((S1())); } } #include "Inputs/warn-unused-variables.h" namespace PR8455 { void f() { A: // expected-warning {{unused label 'A'}} __attribute__((unused)) int i; // attribute applies to variable B: // attribute applies to label __attribute__((unused)); int j; // expected-warning {{unused variable 'j'}} } void g() { C: // unused label 'C' will not appear here because an error occurs __attribute__((unused)) #pragma weak unused_local_static // expected-error {{expected ';' after __attribute__}} ; } void h() { D: // expected-warning {{unused label 'D'}} #pragma weak unused_local_static __attribute__((unused)) // expected-warning {{declaration does not declare anything}} ; } } @ 1.1.1.1 log @Import Clang 3.4rc1 r195771. @ text @@ 1.1.1.1.2.1 log @Rebase. @ text @d1 1 a1 1 // RUN: %clang_cc1 -fsyntax-only -Wunused-variable -Wunused-label -Wno-c++1y-extensions -verify %s a117 22 namespace PR19305 { template int n = 0; // no warning int a = n; template const int l = 0; // no warning int b = l; // PR19558 template const int o = 0; // no warning template const int o = 0; // no warning int c = o; template<> int o = 0; // no warning int d = o; // FIXME: It'd be nice to warn here. template int m = 0; template int m = 0; template<> const int m = 0; // expected-warning {{unused variable}} } d131 23 @ 1.1.1.2 log @Import Clang 3.5svn r209886. @ text @d1 1 a1 1 // RUN: %clang_cc1 -fsyntax-only -Wunused-variable -Wunused-label -Wno-c++1y-extensions -verify %s a117 22 namespace PR19305 { template int n = 0; // no warning int a = n; template const int l = 0; // no warning int b = l; // PR19558 template const int o = 0; // no warning template const int o = 0; // no warning int c = o; template<> int o = 0; // no warning int d = o; // FIXME: It'd be nice to warn here. template int m = 0; template int m = 0; template<> const int m = 0; // expected-warning {{unused variable}} } d131 23 @ 1.1.1.2.8.1 log @Sync with HEAD @ text @a152 44 namespace arrayRecords { class NonTriviallyDestructible { public: ~NonTriviallyDestructible() {} }; struct Foo { int x; Foo(int x) : x(x) {} }; struct Elidable { Elidable(); }; void foo(int size) { Elidable elidable; // no warning Elidable elidableArray[2]; // no warning Elidable elidableDynArray[size]; // no warning Elidable elidableNestedArray[1][2][3]; // no warning NonTriviallyDestructible scalar; // no warning NonTriviallyDestructible array[2]; // no warning NonTriviallyDestructible nestedArray[2][2]; // no warning Foo fooScalar = 1; // expected-warning {{unused variable 'fooScalar'}} Foo fooArray[] = {1,2}; // expected-warning {{unused variable 'fooArray'}} Foo fooNested[2][2] = { {1,2}, {3,4} }; // expected-warning {{unused variable 'fooNested'}} } template void bar() { NonTriviallyDestructible scaler; // no warning NonTriviallyDestructible array[N]; // no warning } void test() { foo(10); bar<2>(); } } @ 1.1.1.3 log @Import Clang pre-4.0.0 r291444. @ text @a152 44 namespace arrayRecords { class NonTriviallyDestructible { public: ~NonTriviallyDestructible() {} }; struct Foo { int x; Foo(int x) : x(x) {} }; struct Elidable { Elidable(); }; void foo(int size) { Elidable elidable; // no warning Elidable elidableArray[2]; // no warning Elidable elidableDynArray[size]; // no warning Elidable elidableNestedArray[1][2][3]; // no warning NonTriviallyDestructible scalar; // no warning NonTriviallyDestructible array[2]; // no warning NonTriviallyDestructible nestedArray[2][2]; // no warning Foo fooScalar = 1; // expected-warning {{unused variable 'fooScalar'}} Foo fooArray[] = {1,2}; // expected-warning {{unused variable 'fooArray'}} Foo fooNested[2][2] = { {1,2}, {3,4} }; // expected-warning {{unused variable 'fooNested'}} } template void bar() { NonTriviallyDestructible scaler; // no warning NonTriviallyDestructible array[N]; // no warning } void test() { foo(10); bar<2>(); } } @ 1.1.1.3.14.1 log @Sync with HEAD @ text @a1 1 // RUN: %clang_cc1 -fsyntax-only -Wunused-variable -Wunused-label -Wno-c++1y-extensions -verify -std=c++11 %s a196 42 #if __cplusplus >= 201103L namespace with_constexpr { template struct Literal { T i; Literal() = default; constexpr Literal(T i) : i(i) {} }; struct NoLiteral { int i; NoLiteral() = default; constexpr NoLiteral(int i) : i(i) {} ~NoLiteral() {} }; static Literal gl1; // expected-warning {{unused variable 'gl1'}} static Literal gl2(1); // expected-warning {{unused variable 'gl2'}} static const Literal gl3(0); // expected-warning {{unused variable 'gl3'}} template void test(int i) { Literal l1; // expected-warning {{unused variable 'l1'}} Literal l2(42); // expected-warning {{unused variable 'l2'}} Literal l3(i); // no-warning Literal l4(0); // no-warning NoLiteral nl1; // no-warning NoLiteral nl2(42); // no-warning } } namespace crash { struct a { a(const char *); }; template void c() { a d(b::e ? "" : ""); } } #endif @ 1.1.1.3.14.2 log @Mostly merge changes from HEAD upto 20200411 @ text @@ 1.1.1.3.12.1 log @Sync with HEAD @ text @a1 1 // RUN: %clang_cc1 -fsyntax-only -Wunused-variable -Wunused-label -Wno-c++1y-extensions -verify -std=c++11 %s a196 42 #if __cplusplus >= 201103L namespace with_constexpr { template struct Literal { T i; Literal() = default; constexpr Literal(T i) : i(i) {} }; struct NoLiteral { int i; NoLiteral() = default; constexpr NoLiteral(int i) : i(i) {} ~NoLiteral() {} }; static Literal gl1; // expected-warning {{unused variable 'gl1'}} static Literal gl2(1); // expected-warning {{unused variable 'gl2'}} static const Literal gl3(0); // expected-warning {{unused variable 'gl3'}} template void test(int i) { Literal l1; // expected-warning {{unused variable 'l1'}} Literal l2(42); // expected-warning {{unused variable 'l2'}} Literal l3(i); // no-warning Literal l4(0); // no-warning NoLiteral nl1; // no-warning NoLiteral nl2(42); // no-warning } } namespace crash { struct a { a(const char *); }; template void c() { a d(b::e ? "" : ""); } } #endif @ 1.1.1.4 log @Import clang r337282 from trunk @ text @a1 1 // RUN: %clang_cc1 -fsyntax-only -Wunused-variable -Wunused-label -Wno-c++1y-extensions -verify -std=c++11 %s a196 42 #if __cplusplus >= 201103L namespace with_constexpr { template struct Literal { T i; Literal() = default; constexpr Literal(T i) : i(i) {} }; struct NoLiteral { int i; NoLiteral() = default; constexpr NoLiteral(int i) : i(i) {} ~NoLiteral() {} }; static Literal gl1; // expected-warning {{unused variable 'gl1'}} static Literal gl2(1); // expected-warning {{unused variable 'gl2'}} static const Literal gl3(0); // expected-warning {{unused variable 'gl3'}} template void test(int i) { Literal l1; // expected-warning {{unused variable 'l1'}} Literal l2(42); // expected-warning {{unused variable 'l2'}} Literal l3(i); // no-warning Literal l4(0); // no-warning NoLiteral nl1; // no-warning NoLiteral nl2(42); // no-warning } } namespace crash { struct a { a(const char *); }; template void c() { a d(b::e ? "" : ""); } } #endif @ 1.1.1.5 log @Mark old LLVM instance as dead. @ text @@ 1.1.1.2.4.1 log @file warn-unused-variables.cpp was added on branch tls-maxphys on 2014-08-19 23:49:20 +0000 @ text @d1 152 @ 1.1.1.2.4.2 log @Rebase to HEAD as of a few days ago. @ text @a0 152 // RUN: %clang_cc1 -fsyntax-only -Wunused-variable -Wunused-label -Wno-c++1y-extensions -verify %s template void f() { T t; t = 17; } // PR5407 struct A { A(); }; struct B { ~B(); }; void f() { A a; B b; } // PR5531 namespace PR5531 { struct A { }; struct B { B(int); }; struct C { ~C(); }; void test() { A(); B(17); C(); } } template struct X0 { }; template void test_dependent_init(T *p) { X0 i(p); (void)i; } void unused_local_static() { static int x = 0; static int y = 0; // expected-warning{{unused variable 'y'}} #pragma unused(x) } // PR10168 namespace PR10168 { // We expect a warning in the definition only for non-dependent variables, and // a warning in the instantiation only for dependent variables. template struct S { void f() { int a; // expected-warning {{unused variable 'a'}} T b; // expected-warning 2{{unused variable 'b'}} } }; template void f() { int a; // expected-warning {{unused variable 'a'}} T b; // expected-warning 2{{unused variable 'b'}} } void g() { S().f(); // expected-note {{here}} S().f(); // expected-note {{here}} f(); // expected-note {{here}} f(); // expected-note {{here}} } } namespace PR11550 { struct S1 { S1(); }; S1 makeS1(); void testS1(S1 a) { // This constructor call can be elided. S1 x = makeS1(); // expected-warning {{unused variable 'x'}} // This one cannot, so no warning. S1 y; // This call cannot, but the constructor is trivial. S1 z = a; // expected-warning {{unused variable 'z'}} } // The same is true even when we know thet constructor has side effects. void foo(); struct S2 { S2() { foo(); } }; S2 makeS2(); void testS2(S2 a) { S2 x = makeS2(); // expected-warning {{unused variable 'x'}} S2 y; S2 z = a; // expected-warning {{unused variable 'z'}} } // Or when the constructor is not declared by the user. struct S3 { S1 m; }; S3 makeS3(); void testS3(S3 a) { S3 x = makeS3(); // expected-warning {{unused variable 'x'}} S3 y; S3 z = a; // expected-warning {{unused variable 'z'}} } } namespace PR19305 { template int n = 0; // no warning int a = n; template const int l = 0; // no warning int b = l; // PR19558 template const int o = 0; // no warning template const int o = 0; // no warning int c = o; template<> int o = 0; // no warning int d = o; // FIXME: It'd be nice to warn here. template int m = 0; template int m = 0; template<> const int m = 0; // expected-warning {{unused variable}} } namespace ctor_with_cleanups { struct S1 { ~S1(); }; struct S2 { S2(const S1&); }; void func() { S2 s((S1())); } } #include "Inputs/warn-unused-variables.h" @ 1.1.1.1.4.1 log @file warn-unused-variables.cpp was added on branch yamt-pagecache on 2014-05-22 16:19:42 +0000 @ text @d1 153 @ 1.1.1.1.4.2 log @sync with head. for a reference, the tree before this commit was tagged as yamt-pagecache-tag8. this commit was splitted into small chunks to avoid a limitation of cvs. ("Protocol error: too many arguments") @ text @a0 153 // RUN: %clang_cc1 -fsyntax-only -Wunused-variable -Wunused-label -verify %s template void f() { T t; t = 17; } // PR5407 struct A { A(); }; struct B { ~B(); }; void f() { A a; B b; } // PR5531 namespace PR5531 { struct A { }; struct B { B(int); }; struct C { ~C(); }; void test() { A(); B(17); C(); } } template struct X0 { }; template void test_dependent_init(T *p) { X0 i(p); (void)i; } void unused_local_static() { static int x = 0; static int y = 0; // expected-warning{{unused variable 'y'}} #pragma unused(x) } // PR10168 namespace PR10168 { // We expect a warning in the definition only for non-dependent variables, and // a warning in the instantiation only for dependent variables. template struct S { void f() { int a; // expected-warning {{unused variable 'a'}} T b; // expected-warning 2{{unused variable 'b'}} } }; template void f() { int a; // expected-warning {{unused variable 'a'}} T b; // expected-warning 2{{unused variable 'b'}} } void g() { S().f(); // expected-note {{here}} S().f(); // expected-note {{here}} f(); // expected-note {{here}} f(); // expected-note {{here}} } } namespace PR11550 { struct S1 { S1(); }; S1 makeS1(); void testS1(S1 a) { // This constructor call can be elided. S1 x = makeS1(); // expected-warning {{unused variable 'x'}} // This one cannot, so no warning. S1 y; // This call cannot, but the constructor is trivial. S1 z = a; // expected-warning {{unused variable 'z'}} } // The same is true even when we know thet constructor has side effects. void foo(); struct S2 { S2() { foo(); } }; S2 makeS2(); void testS2(S2 a) { S2 x = makeS2(); // expected-warning {{unused variable 'x'}} S2 y; S2 z = a; // expected-warning {{unused variable 'z'}} } // Or when the constructor is not declared by the user. struct S3 { S1 m; }; S3 makeS3(); void testS3(S3 a) { S3 x = makeS3(); // expected-warning {{unused variable 'x'}} S3 y; S3 z = a; // expected-warning {{unused variable 'z'}} } } namespace ctor_with_cleanups { struct S1 { ~S1(); }; struct S2 { S2(const S1&); }; void func() { S2 s((S1())); } } #include "Inputs/warn-unused-variables.h" namespace PR8455 { void f() { A: // expected-warning {{unused label 'A'}} __attribute__((unused)) int i; // attribute applies to variable B: // attribute applies to label __attribute__((unused)); int j; // expected-warning {{unused variable 'j'}} } void g() { C: // unused label 'C' will not appear here because an error occurs __attribute__((unused)) #pragma weak unused_local_static // expected-error {{expected ';' after __attribute__}} ; } void h() { D: // expected-warning {{unused label 'D'}} #pragma weak unused_local_static __attribute__((unused)) // expected-warning {{declaration does not declare anything}} ; } } @