bolt/deps/llvm-18.1.8/clang/test/C/drs/dr158.c

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2025-02-14 19:21:04 +01:00
/* RUN: %clang_cc1 -std=c89 -pedantic -Wno-c11-extensions -verify -emit-llvm -o - %s | FileCheck %s
RUN: %clang_cc1 -std=c99 -pedantic -Wno-c11-extensions -verify -emit-llvm -o - %s | FileCheck %s
RUN: %clang_cc1 -std=c11 -pedantic -verify -emit-llvm -o - %s | FileCheck %s
RUN: %clang_cc1 -std=c17 -pedantic -verify -emit-llvm -o - %s | FileCheck %s
RUN: %clang_cc1 -std=c2x -pedantic -verify -emit-llvm -o - %s | FileCheck %s
*/
/* expected-no-diagnostics */
/* WG14 DR158: yes
* Null pointer conversions
*/
void dr158(void) {
int Val = (void *)0 == (int *)0;
/* CHECK: %[[VAL:.+]] = alloca i32
CHECK: store i32 1, ptr %[[VAL]]
*/
(void)_Generic((int *)0, int * : 1); /* picks correct association */
(void)_Generic((1 ? 0 : (int *)0), int * : 1); /* picks correct association */
}