72 lines · cpp
1// RUN: %clang_cc1 -verify -fsyntax-only -triple x86_64-linux-gnu %s2 3int x __attribute__((section(4 42))); // expected-error {{expected string literal as argument of 'section' attribute}}5 6 7// PR60078void test() {9 __attribute__((section("NEAR,x"))) int n1; // expected-error {{'section' attribute only applies to functions, global variables, Objective-C methods, and Objective-C properties}}10 __attribute__((section("NEAR,x"))) static int n2; // ok.11}12 13// pr935614void __attribute__((section("foo"))) test2(); // expected-note {{previous attribute is here}}15void __attribute__((section("bar"))) test2() {} // expected-warning {{section does not match previous declaration}}16 17enum __attribute__((section("NEAR,x"))) e { one }; // expected-error {{'section' attribute only applies to}}18 19extern int a; // expected-note {{previous declaration is here}}20int *b = &a;21extern int a __attribute__((section("foo,zed"))); // expected-warning {{section attribute is specified on redeclared variable}}22 23// Not a warning.24extern int c;25int c __attribute__((section("foo,zed")));26 27// Also OK.28struct r_debug {};29extern struct r_debug _r_debug;30struct r_debug _r_debug __attribute__((nocommon, section(".r_debug,bar")));31 32namespace override {33 struct A {34 __attribute__((section("foo"))) virtual void f(){};35 };36 struct B : A {37 void f() {} // ok38 };39 struct C : A {40 __attribute__((section("bar"))) void f(); // expected-note {{previous}}41 };42 __attribute__((section("baz"))) // expected-warning {{section does not match}}43 void C::f() {}44}45 46// Check for section type conflicts between global variables and function templates47template <typename> __attribute__((section("template_fn1"))) void template_fn1() {} // expected-note {{declared here}}48const int const_global_var __attribute__((section("template_fn1"))) = 42; // expected-error {{'const_global_var' causes a section type conflict with 'template_fn1'}}49int mut_global_var __attribute__((section("template_fn2"))) = 42; // expected-note {{declared here}}50template <typename> __attribute__((section("template_fn2"))) void template_fn2() {} // expected-error {{'template_fn2' causes a section type conflict with 'mut_global_var'}}51 52namespace mutable_member {53struct t1 {54 mutable int i;55};56extern const t1 v1;57__attribute__((section("mutable_member"))) const t1 v1{};58extern int i;59__attribute__((section("mutable_member"))) int i{};60} // namespace mutable_member61 62namespace non_trivial_ctor {63struct t1 {64 t1();65 constexpr t1(int) { }66};67extern const t1 v1;68__attribute__((section("non_trivial_ctor"))) const t1 v1; // expected-note {{declared here}}69extern const t1 v2;70__attribute__((section("non_trivial_ctor"))) const t1 v2{3}; // expected-error {{'v2' causes a section type conflict with 'v1'}}71} // namespace non_trivial_ctor72