[llvm-bugs] [Bug 45730] New: __is_constructible intrinsic fails to compile within pack expansion

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=45730

            Bug ID: 45730
           Summary: __is_constructible intrinsic fails to compile within
                    pack expansion
           Product: clang
           Version: 9.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: CUDA
          Assignee: unassignedclangbugs at nondot.org
          Reporter: james at invexed.com
                CC: llvm-bugs at lists.llvm.org

#include <type_traits>

template<bool...>
struct BooleanSink {};

// error: cannot yet mangle expression type TypeTraitExpr
template<typename... Ts>
auto f(BooleanSink<__is_constructible(int, Ts)...>)
{}

// compiles successfully
template<typename... Ts>
auto f(BooleanSink<std::is_constructible_v<int, Ts>...>)
{}

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