gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//compiler-rt/test/hwasan:check-hwasan"
  ]
}
gn analyze input:
{
  "files": [
    "//clang/include/clang/Basic/Builtins.td",
    "//clang/lib/CodeGen/CGBuiltin.cpp",
    "//clang/test/CodeGen/AArch64/sincos.c",
    "//clang/test/CodeGen/X86/math-builtins.c",
    "//libcxx/docs/ReleaseNotes/21.rst",
    "//libcxx/docs/Status/Cxx20Issues.csv",
    "//libcxx/docs/Status/Cxx20Papers.csv",
    "//libcxx/docs/Status/FormatPaper.csv",
    "//libcxx/include/CMakeLists.txt",
    "//libcxx/include/__chrono/convert_to_tm.h",
    "//libcxx/include/__chrono/formatter.h",
    "//libcxx/include/__chrono/gps_clock.h",
    "//libcxx/include/__chrono/ostream.h",
    "//libcxx/include/chrono",
    "//libcxx/include/module.modulemap",
    "//libcxx/modules/std/chrono.inc",
    "//libcxx/test/libcxx/diagnostics/chrono.nodiscard.verify.cpp",
    "//libcxx/test/libcxx/time/time.clock/time.clock.gps/time.clock.gps.members/assert.from_utc.pass.cpp",
    "//libcxx/test/libcxx/time/time.clock/time.clock.gps/time.clock.gps.members/assert.to_utc.pass.cpp",
    "//libcxx/test/std/time/time.clock/time.clock.gps/gps_time.ostream.pass.cpp",
    "//libcxx/test/std/time/time.clock/time.clock.gps/time.clock.gps.members/from_utc.pass.cpp",
    "//libcxx/test/std/time/time.clock/time.clock.gps/time.clock.gps.members/now.pass.cpp",
    "//libcxx/test/std/time/time.clock/time.clock.gps/time.clock.gps.members/to_utc.pass.cpp",
    "//libcxx/test/std/time/time.clock/time.clock.gps/types.compile.pass.cpp",
    "//libcxx/test/std/time/time.syn/formatter.gps_time.pass.cpp",
    "//llvm/utils/gn/secondary/libcxx/include/BUILD.gn"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}
running all tests due to change to blacklisted file