1 // RUN: %clang_cc1 -std=c++20 -Wunsafe-buffer-usage \
2 // RUN: -fsafe-buffer-usage-suggestions \
3 // RUN: -triple=arm-apple \
4 // RUN: -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s
5
6 void foo(int * , int *);
7
simple()8 void simple() {
9 int * p = new int[10];
10 // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:3-[[@LINE-1]]:8}:"std::span<int>"
11 // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:13-[[@LINE-2]]:13}:"{"
12 // CHECK: fix-it:"{{.*}}":{[[@LINE-3]]:24-[[@LINE-3]]:24}:", 10}"
13 bool b = ++p;
14 // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:12-[[@LINE-1]]:15}:"(p = p.subspan(1)).data()"
15 unsigned long long n = (unsigned long long) ++p;
16 // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:47-[[@LINE-1]]:50}:"(p = p.subspan(1)).data()"
17 if (++p) {
18 // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:7-[[@LINE-1]]:10}:"(p = p.subspan(1)).data()"
19 }
20 if (++p - ++p) {
21 // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:7-[[@LINE-1]]:10}:"(p = p.subspan(1)).data()"
22 // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:13-[[@LINE-2]]:16}:"(p = p.subspan(1)).data()"
23 }
24 foo(++p, p);
25 // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:7-[[@LINE-1]]:10}:"(p = p.subspan(1)).data()"
26 // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:13-[[@LINE-2]]:13}:".data()"
27
28 // FIXME: Don't know how to fix the following cases:
29 // CHECK-NOT: fix-it:"{{.*}}":{
30 int * g = new int[10];
31 int * a[10];
32 a[0] = ++g;
33 foo(g++, g);
34 if (++(a[0])) {
35 }
36 }
37