| // RUN: %clang_cc1 -triple arm64-apple-macosx14.0.0 -O0 -debug-info-kind=standalone -dwarf-version=5 \ |
| // RUN: -fsanitize=pointer-overflow -fsanitize-trap=pointer-overflow -emit-llvm %s -o - | FileCheck %s |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| int *pointer_overflow(void) { |
| int buf[4]; |
| volatile size_t n = (SIZE_MAX / sizeof(int)) - 1; |
| return buf + n; |
| } |
| |
| // CHECK-LABEL: @pointer_overflow |
| // CHECK: call void @llvm.ubsantrap(i8 19) {{.*}}!dbg [[LOC:![0-9]+]] |
| // CHECK: [[LOC]] = !DILocation(line: 0, scope: [[MSG:![0-9]+]], {{.+}}) |
| // CHECK: [[MSG]] = distinct !DISubprogram(name: "__clang_trap_msg$Undefined Behavior Sanitizer$Pointer arithmetic overflowed bounds" |
