19 lines · c
1// RUN: %clang_cc1 -triple arm64-apple-macosx14.0.0 -O0 -debug-info-kind=standalone -dwarf-version=5 \2// RUN: -fsanitize=nullability-return -fsanitize-trap=nullability-return -emit-llvm %s -o - | FileCheck %s3 4#include <stdbool.h>5#include <stddef.h>6 7int *_Nonnull nullability_return(bool fail) {8 if (fail)9 return NULL;10 11 static int x = 0;12 return &x;13}14 15// CHECK-LABEL: @nullability_return16// CHECK: call void @llvm.ubsantrap(i8 15) {{.*}}!dbg [[LOC:![0-9]+]]17// CHECK: [[LOC]] = !DILocation(line: 0, scope: [[MSG:![0-9]+]], {{.+}})18// CHECK: [[MSG]] = distinct !DISubprogram(name: "__clang_trap_msg$Undefined Behavior Sanitizer$Returning null from a function with a return type annotated with _Nonnull"19