https://llvm.org/bugs/show_bug.cgi?id=25306
Bug ID: 25306
Summary: __attribute__((returns_nonnull)) does not work for
std::add_pointer_t<T>
Product: clang
Version: 3.7
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: frankhb1...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Case:
// clang++ -std=c++14 a.cc
#include <type_traits>
template<typename T>
__attribute__((returns_nonnull)) std::add_pointer_t<T> t()
{
static T obj;
return &obj;
}
int main()
{}
Diagnostics:
a.cc:4:16: warning: 'returns_nonnull' attribute only applies to return values
that are pointers
[-Wignored-attributes]
__attribute__((returns_nonnull)) std::add_pointer_t<T> t()
On the other hand, G++ works.
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