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// RUN: %clang_cc1 -verify -std=c23 %s
// RUN: %clang_cc1 -verify=pedantic -std=c11 -pedantic %s
// RUN: %clang_cc1 -verify=compat -std=c23 -Wpre-c23-compat %s
// expected-no-diagnostics
/* WG14 N2508: yes
* Free positioning of labels inside compound statements
*/
void test(void) {
{
inner:
} /* pedantic-warning {{label at end of compound statement is a C23 extension}}
compat-warning {{label at end of compound statement is incompatible with C standards before C23}}
*/
switch (1) {
case 1:
} /* pedantic-warning {{label at end of compound statement is a C23 extension}}
compat-warning {{label at end of compound statement is incompatible with C standards before C23}}
*/
{
multiple: labels: on: a: line:
} /* pedantic-warning {{label at end of compound statement is a C23 extension}}
compat-warning {{label at end of compound statement is incompatible with C standards before C23}}
*/
final:
} /* pedantic-warning {{label at end of compound statement is a C23 extension}}
compat-warning {{label at end of compound statement is incompatible with C standards before C23}}
*/
void test_labels(void) {
label:
int i = 0; /* pedantic-warning {{label followed by a declaration is a C23 extension}}
compat-warning {{label followed by a declaration is incompatible with C standards before C23}}
*/
switch (i) {
case 1:
_Static_assert(1, ""); /* pedantic-warning {{label followed by a declaration is a C23 extension}}
compat-warning {{label followed by a declaration is incompatible with C standards before C23}}
*/
default:
_Static_assert(1, ""); /* pedantic-warning {{label followed by a declaration is a C23 extension}}
compat-warning {{label followed by a declaration is incompatible with C standards before C23}}
*/
}
}
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