|
150
|
1 // RUN: %clang_cc1 -fsyntax-only -std=gnu89 -verify -Wimplicit-fallthrough %s
|
|
|
2 // RUN: %clang_cc1 -fsyntax-only -std=gnu99 -verify -Wimplicit-fallthrough %s
|
|
|
3 // RUN: %clang_cc1 -fsyntax-only -std=c99 -verify -Wimplicit-fallthrough %s
|
|
|
4 // RUN: %clang_cc1 -fsyntax-only -std=c11 -verify -Wimplicit-fallthrough %s
|
|
|
5 // RUN: %clang_cc1 -fsyntax-only -std=c2x -DC2X -verify -Wimplicit-fallthrough %s
|
|
|
6
|
|
|
7 int fallthrough_attribute_spelling(int n) {
|
|
|
8 switch (n) {
|
|
|
9 case 0:
|
|
|
10 n++;
|
|
|
11 case 1:
|
|
|
12 #if defined(C2X)
|
|
|
13 // expected-warning@-2{{unannotated fall-through between switch labels}} expected-note@-2{{insert '[[fallthrough]];' to silence this warning}} expected-note@-2{{insert 'break;' to avoid fall-through}}
|
|
|
14 #else
|
|
|
15 // expected-warning@-4{{unannotated fall-through between switch labels}} expected-note@-4{{insert '__attribute__((fallthrough));' to silence this warning}} expected-note@-4{{insert 'break;' to avoid fall-through}}
|
|
|
16 #endif
|
|
|
17 n++;
|
|
|
18 __attribute__((fallthrough));
|
|
|
19 case 2:
|
|
|
20 n++;
|
|
|
21 break;
|
|
|
22 }
|
|
|
23 return n;
|
|
|
24 }
|
