blob: 41cb4873a423c7b94b2bbd8fa1dc3de99abe0e2a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
// 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"
|
