[libc++][NFC] Add missing license headers

Also standardize the license comment in several files where it was
different from what we normally do.

Author: ldionne

libcxx/test/benchmarks/GenerateInput.h

@@ -1,3 +1,11 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
 #ifndef BENCHMARK_GENERATE_INPUT_H
 #define BENCHMARK_GENERATE_INPUT_H
 

libcxx/test/benchmarks/algorithms.partition_point.bench.cpp

@@ -1,3 +1,11 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
 #include <algorithm>
 #include <array>
 #include <cassert>

libcxx/test/benchmarks/algorithms/min.bench.cpp

@@ -1,3 +1,11 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
 #include <algorithm>
 #include <cassert>
 

libcxx/test/benchmarks/algorithms/minmax.bench.cpp

@@ -1,3 +1,11 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
 #include <algorithm>
 #include <cassert>
 

libcxx/test/benchmarks/atomic_wait.bench.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/benchmarks/atomic_wait_vs_mutex_lock.bench.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/benchmarks/filesystem.bench.cpp

@@ -1,3 +1,11 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
 #include <filesystem>
 
 #include "GenerateInput.h"

libcxx/test/benchmarks/format.bench.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/benchmarks/format_to.bench.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/benchmarks/format_to_n.bench.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/benchmarks/formatted_size.bench.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/benchmarks/formatter_float.bench.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/benchmarks/formatter_int.bench.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/benchmarks/lexicographical_compare_three_way.bench.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/benchmarks/random.bench.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/benchmarks/shared_mutex_vs_mutex.bench.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/benchmarks/stop_token.bench.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/benchmarks/string.bench.cpp

@@ -1,3 +1,10 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
 
 #include <cstdint>
 #include <new>

libcxx/test/benchmarks/stringstream.bench.cpp

@@ -1,3 +1,11 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
 #include "benchmark/benchmark.h"
 #include "test_macros.h"
 

libcxx/test/benchmarks/to_chars.bench.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/benchmarks/unordered_set_operations.bench.cpp

@@ -1,3 +1,11 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
 #include <cstdint>
 #include <cstdlib>
 #include <cstring>

libcxx/test/benchmarks/variant_visit_1.bench.cpp

@@ -1,3 +1,11 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
 #include "benchmark/benchmark.h"
 
 #include "VariantBenchmarks.h"

libcxx/test/benchmarks/variant_visit_2.bench.cpp

@@ -1,3 +1,11 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
 #include "benchmark/benchmark.h"
 
 #include "VariantBenchmarks.h"

libcxx/test/benchmarks/variant_visit_3.bench.cpp

@@ -1,3 +1,11 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
 #include "benchmark/benchmark.h"
 
 #include "VariantBenchmarks.h"

libcxx/test/benchmarks/vector_operations.bench.cpp

@@ -1,3 +1,11 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
 #include <cstdint>
 #include <cstdlib>
 #include <cstring>

libcxx/test/libcxx/input.output/iostream.format/output.streams/ostream.formatted/ostream.formatted.print/vprint_unicode.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/input.output/iostream.format/output.streams/ostream.syn/includes.compile.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/input.output/iostream.format/print.fun/transcoding.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/input.output/iostream.format/print.fun/vprint_unicode_posix.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/input.output/iostream.format/print.fun/vprint_unicode_windows.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/time/convert_to_tm.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/expected/expected.expected/no_unique_address.compile.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/expected/expected.expected/noexcept.extension.compile.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/expected/expected.unexpected/noexcept.extension.compile.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/expected/expected.void/no_unique_address.compile.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/expected/expected.void/noexcept.extension.compile.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/expected/expected.void/value.lwg3940.verify.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/format/enable_insertable.compile.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/format/format.arguments/format.arg/arg_t.compile.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/format/format.formatter/format.context/types.compile.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/format/format.functions/ascii.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/format/format.functions/escaped_output.ascii.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/format/format.string/format.string.std/code_point_width_estimation.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/format/format.string/format.string.std/concepts_precision.h

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/format/format.string/format.string.std/escaped_output.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/format/format.string/format.string.std/extended_grapheme_cluster.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/libcxx/utilities/format/format.string/format.string.std/test_exception.h

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.functions.format.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.functions.tests.h

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.functions.vformat.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/std/containers/container.adaptors/container.adaptors.format/format.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/std/containers/container.adaptors/container.adaptors.format/parse.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/std/containers/container.adaptors/container.adaptors.format/types.compile.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

libcxx/test/std/containers/sequences/vector.bool/vector.bool.fmt/format.functions.format.pass.cpp

@@ -1,4 +1,5 @@
 //===----------------------------------------------------------------------===//
+//
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception