gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang"
  ]
}
gn analyze input:
{
  "files": [
    "//libcxx/include/__type_traits/is_abstract.h",
    "//libcxx/include/__type_traits/is_aggregate.h",
    "//libcxx/include/__type_traits/is_arithmetic.h",
    "//libcxx/include/__type_traits/is_assignable.h",
    "//libcxx/include/__type_traits/is_base_of.h",
    "//libcxx/include/__type_traits/is_class.h",
    "//libcxx/include/__type_traits/is_constructible.h",
    "//libcxx/include/__type_traits/is_convertible.h",
    "//libcxx/include/__type_traits/is_core_convertible.h",
    "//libcxx/include/__type_traits/is_destructible.h",
    "//libcxx/include/__type_traits/is_empty.h",
    "//libcxx/include/__type_traits/is_enum.h",
    "//libcxx/include/__type_traits/is_final.h",
    "//libcxx/include/__type_traits/is_floating_point.h",
    "//libcxx/include/__type_traits/is_fundamental.h",
    "//libcxx/include/__type_traits/is_implicit_lifetime.h",
    "//libcxx/include/__type_traits/is_literal_type.h",
    "//libcxx/include/__type_traits/is_nothrow_assignable.h",
    "//libcxx/include/__type_traits/is_nothrow_constructible.h",
    "//libcxx/include/__type_traits/is_nothrow_destructible.h",
    "//libcxx/include/__type_traits/is_pod.h",
    "//libcxx/include/__type_traits/is_pointer.h",
    "//libcxx/include/__type_traits/is_polymorphic.h",
    "//libcxx/include/__type_traits/is_reference.h",
    "//libcxx/include/__type_traits/is_reference_wrapper.h",
    "//libcxx/include/__type_traits/is_scalar.h",
    "//libcxx/include/__type_traits/is_signed.h",
    "//libcxx/include/__type_traits/is_signed_integer.h",
    "//libcxx/include/__type_traits/is_standard_layout.h",
    "//libcxx/include/__type_traits/is_trivial.h",
    "//libcxx/include/__type_traits/is_trivially_assignable.h",
    "//libcxx/include/__type_traits/is_trivially_constructible.h",
    "//libcxx/include/__type_traits/is_trivially_copyable.h",
    "//libcxx/include/__type_traits/is_trivially_destructible.h",
    "//libcxx/include/__type_traits/is_union.h",
    "//libcxx/include/__type_traits/is_unsigned_integer.h"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}
running all tests due to change to blacklisted file