http://llvm.org/bugs/show_bug.cgi?id=14558
Bug #: 14558
Summary: std::is_trivial broken for nested structs
Product: clang
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C++11
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
clang trunk r169725. I have a struct with an explicitly-defaulted default
constructor. std::is_trivial gives a false negative when the struct is declared
inside another struct:
#include <type_traits>
struct A {
A() = default;
};
struct B {
A foo;
};
static_assert(std::is_trivial<A>::value, "A is not trivial");
static_assert(std::is_trivial<B>::value, "B is not trivial");
struct C {
struct D {
D() = default;
};
D foo;
};
static_assert(std::is_trivial<C::D>::value, "C::D is not trivial");
static_assert(std::is_trivial<C>::value, "C is not trivial");
Only the last static_assert fails, the other three are ok. I expect that the
"struct C" is also "trivial".
This is a recent regression, it worked last week.
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