gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//lld/test/ELF/aarch64-abs16.s",
    "//lld/test/ELF/aarch64-abs32.s",
    "//lld/test/ELF/aarch64-hi21-error.s",
    "//lld/test/ELF/aarch64-ldprel-lo19-invalid.s",
    "//lld/test/ELF/aarch64-lo21-error.s",
    "//lld/test/ELF/aarch64-movw-error.s",
    "//lld/test/ELF/aarch64-prel16.s",
    "//lld/test/ELF/aarch64-prel32.s",
    "//lld/test/ELF/riscv-branch.s",
    "//lld/test/ELF/riscv-call.s",
    "//lld/test/ELF/riscv-hi20-lo12.s",
    "//lld/test/ELF/riscv-jal.s",
    "//lld/test/ELF/riscv-pcrel-hilo.s"
  ],
  "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": []
}