| Issue |
132791
|
| Summary |
[clang-tidy] fcppcoreguidelines-pro-bounds-pointer-arithmetic fails to detect a case of pointer arithmetic
|
| Labels |
|
| Assignees |
|
| Reporter |
adesitter
|
Considering
```
#include <vector>
auto f1(std::vector<int*> const& ind, int i, int j)
{
// **Not** detected by cppcoreguidelines-pro-bounds-pointer-arithmetic
return ind[i][j];
}
auto f2(std::vector<int*> const& ind, int i, int j)
{
auto i0 = ind[i];
// Detected by cppcoreguidelines-pro-bounds-pointer-arithmetic
return i0[j];
}
```
```
❯ clang-tidy --version
LLVM (http://llvm.org/):
LLVM version 20.1.0
Optimized build.
❯ clang-tidy "--checks=-*,cppcoreguidelines-pro-bounds-pointer-arithmetic" -quiet m.cpp --
12 warnings generated.
/tmp/m.cpp:11:10: warning: do not use pointer arithmetic [cppcoreguidelines-pro-bounds-pointer-arithmetic]
11 | return i0[j];
| ^
```
clang-tidy fails to spot the issue in the first case (`ind[i][j]`).
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