1 // RUN: %clang_cc1 -verify -fsyntax-only -triple x86_64-linux-gnu %s
2
3 int x __attribute__((section(
4 42))); // expected-error {{'section' attribute requires a string}}
5
6
7 // PR6007
test()8 void 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 // pr9356
14 void __attribute__((section("foo"))) test2(); // expected-note {{previous attribute is here}}
test2()15 void __attribute__((section("bar"))) test2() {} // expected-warning {{section does not match previous declaration}}
16
17 enum __attribute__((section("NEAR,x"))) e { one }; // expected-error {{'section' attribute only applies to}}
18
19 extern int a; // expected-note {{previous declaration is here}}
20 int *b = &a;
21 extern int a __attribute__((section("foo,zed"))); // expected-warning {{section attribute is specified on redeclared variable}}
22
23 // Not a warning.
24 extern int c;
25 int c __attribute__((section("foo,zed")));
26
27 // Also OK.
28 struct r_debug {};
29 extern struct r_debug _r_debug;
30 struct r_debug _r_debug __attribute__((nocommon, section(".r_debug,bar")));
31
32 namespace override {
33 struct A {
foverride::A34 __attribute__((section("foo"))) virtual void f(){};
35 };
36 struct B : A {
foverride::B37 void f() {} // ok
38 };
39 struct C : A {
40 __attribute__((section("bar"))) void f(); // expected-note {{previous}}
41 };
42 __attribute__((section("baz"))) // expected-warning {{section does not match}}
f()43 void C::f() {}
44 }
45