Slowest 20 targets

//src/test/shell/bazel:bazel_bootstrap_distfile_test on macOS (shard 1): PASSED in 1815.8s (log)
//src/test/shell/bazel:bazel_bootstrap_distfile_test on Windows: PASSED in 1070.5s (log)
//src/test/shell/bazel:bazel_bootstrap_distfile_tar_test on Ubuntu 20.04 LTS: PASSED in 1015.1s (log)
//src/test/shell/bazel:bazel_bootstrap_distfile_tar_test on Ubuntu 22.04 LTS: PASSED in 951.1s (log)
//src/test/shell/bazel:bazel_determinism_test on Ubuntu 20.04 LTS: PASSED in 951.0s (log)
//src/test/shell/bazel:bazel_bootstrap_distfile_test on CentOS 7: PASSED in 910.8s (log)
//src/test/shell/bazel:bazel_bootstrap_distfile_test on Ubuntu 22.04 LTS: PASSED in 885.7s (log)
//src/test/shell/bazel:bazel_determinism_test on Ubuntu 22.04 LTS: PASSED in 883.7s (log)
//src/test/shell/bazel:bazel_bootstrap_distfile_tar_test on CentOS 7: PASSED in 843.1s (log)
//src/test/shell/bazel:bazel_determinism_test on CentOS 7: PASSED in 839.1s (log)
//src/test/shell/bazel:bazel_java_test (shard 2/2) on Ubuntu 20.04 LTS: PASSED in 777.9s (log)
//src/test/shell/bazel:bazel_java_test (shard 2/2) on CentOS 7: PASSED in 761.8s (log)
//src/test/shell/bazel:bazel_java_test (shard 1/2) on Ubuntu 20.04 LTS: PASSED in 755.7s (log)
//src/test/shell/bazel:bazel_java_test (shard 1/2) on CentOS 7: PASSED in 749.1s (log)
//src/test/shell/bazel:bazel_determinism_test on macOS arm64 (shard 5): PASSED in 708.0s (log)
//src/test/shell/bazel:bazel_java_test (shard 1/2) on Ubuntu 22.04 LTS: PASSED in 620.1s (log)
//src/test/shell/integration:target_compatible_with_test on Ubuntu 22.04 LTS: PASSED in 617.6s (log)
//src/test/shell/bazel:bazel_java_test (shard 2/2) on Ubuntu 22.04 LTS: PASSED in 608.3s (log)
//src/test/py/bazel:bazel_module_test on Ubuntu 20.04 LTS: PASSED in 571.7s (log)
//src/test/shell/integration:target_compatible_with_test on Windows: PASSED in 564.4s (log)

Bazel

Replace temporary use of fastcall() for BuiltinFunction with general use of positionalOnlyCall() for calls without named, star or starstar args, and an optimized implementation of positionalOnlyCall() for BuiltinFunction.

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