================
@@ -268,6 +268,40 @@ void Sema::inferLifetimeBoundAttribute(FunctionDecl *FD) {
}
}
+static bool IsPointerLikeType(QualType QT) {
+ QT = QT.getNonReferenceType();
+ if (QT->isPointerType())
+ return true;
+ auto *RD = QT->getAsCXXRecordDecl();
+ if (!RD)
+ return false;
+ RD = RD->getCanonicalDecl();
+ if (auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(RD))
+ RD = CTSD->getSpecializedTemplate()->getTemplatedDecl();
----------------
hokein wrote:
hmm, this is strange. I tested it locally, it works for me.
```
$ cat /t/t6.cpp
#include <vector>
template<typename T>
struct [[gsl::Pointer]] Span {
Span(const std::vector<T> &V);
};
void use() {
Span<int> pp(std::vector<int>{});
std::vector<Span<int>> spans;
spans.push_back(std::vector<int>()); // warning.
}
$ ./bin/clang -Xclang -fsyntax-only -Wdangling-capture /t/t6.cpp
<<<
/t/t6.cpp:9:16: warning: object backing the pointer will be destroyed at the
end of the full-expression [-Wdangling-gsl]
9 | Span<int> pp(std::vector<int>{});
| ^~~~~~~~~~~~~~~~~~
/t/t6.cpp:11:19: warning: object whose reference is captured by 'spans' will be
destroyed at the end of the full-expression [-Wdangling-capture]
11 | spans.push_back(std::vector<int>()); // warning.
| ^~~~~~~~~~~~~~~~~~
2 warnings generated.
/usr/bin/ld: /lib/x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
```
https://github.com/llvm/llvm-project/pull/117122
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