| Issue |
139241
|
| Summary |
clang-tidy "cppcoreguidelines-pro-bounds-pointer-arithmetic" false negative
|
| Labels |
clang-tidy,
false-negative
|
| Assignees |
|
| Reporter |
adesitter
|
❯ clang-tidy --version
LLVM (http://llvm.org/):
LLVM version 20.1.2
Optimized build.
❯ cat g.cpp
#include <span>
auto g1(std::span<int> s, std::size_t i) {
// pointer arithmetic **not** detected
return *(s.data() + i);
}
auto g2(std::span<int> s, std::size_t i) {
auto p = s.data();
// pointer arithmetic detected
return *(p + i);
}
❯ clang-tidy "--checks=-*,cppcoreguidelines-pro-bounds-pointer-arithmetic" -quiet g.cpp -- -std=c++20 --gcc-toolchain=/usr/local/gcc-15
4 warnings generated.
.../g.cpp:11:16: warning: do not use pointer arithmetic [cppcoreguidelines-pro-bounds-pointer-arithmetic]
11 | return *(p + i);
| ^
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