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TheRock/compiler/amd-llvm/clang/test/C/C2y/n3622.c
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2026-09-02 16:34:47 -07:00

26 lines
1.5 KiB
C

// RUN: %clang_cc1 -verify=good -pedantic -Wall -Wno-unused-but-set-global -std=c2y %s
// RUN: %clang_cc1 -verify=compat,expected -pedantic -Wall -Wno-unused-but-set-global -Wpre-c2y-compat -std=c2y %s
// RUN: %clang_cc1 -verify=ped,expected -pedantic -Wall -Wno-unused-but-set-global -std=c23 %s
// RUN: %clang_cc1 -verify=ped,expected -pedantic -Wall -Wno-unused-but-set-global -std=c17 %s
// good-no-diagnostics
/* WG14 N3622: Clang 22
* Allow calling static inline within extern inline
*
* This verifies that a constraint from previous standards is no longer
* triggered in C2y mode. The constraint is with calling a static function
* or using a static variable from an inline function with external linkage.
*/
static void static_func(void) {} // expected-note {{declared here}}
static int static_var; // expected-note {{declared here}}
extern inline void test(void) {
static_func(); /* ped-warning {{using static function 'static_func' in an inline function with external linkage is a C2y extension}}
compat-warning {{using static function 'static_func' in an inline function with external linkage is incompatible with standards before C2y}}
*/
static_var = 12; /* ped-warning {{using static variable 'static_var' in an inline function with external linkage is a C2y extension}}
compat-warning {{using static variable 'static_var' in an inline function with external linkage is incompatible with standards before C2y}}
*/
}