diff --git a/src/tint/lang/wgsl/ast/transform/zero_init_workgroup_memory_fuzz.cc b/src/tint/lang/wgsl/ast/transform/zero_init_workgroup_memory_fuzz.cc
index 6c43dfb..246fa9b 100644
--- a/src/tint/lang/wgsl/ast/transform/zero_init_workgroup_memory_fuzz.cc
+++ b/src/tint/lang/wgsl/ast/transform/zero_init_workgroup_memory_fuzz.cc
@@ -1,16 +1,29 @@
-// Copyright 2023 The Tint Authors.
+// Copyright 2023 The Dawn & Tint Authors
 //
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
 //
-//     http://www.apache.org/licenses/LICENSE-2.0
+// 1. Redistributions of source code must retain the above copyright notice, this
+//    list of conditions and the following disclaimer.
 //
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
+// 2. Redistributions in binary form must reproduce the above copyright notice,
+//    this list of conditions and the following disclaimer in the documentation
+//    and/or other materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its
+//    contributors may be used to endorse or promote products derived from
+//    this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include "src/tint/lang/wgsl/ast/transform/zero_init_workgroup_memory.h"
 
diff --git a/src/tint/utils/rtti/ignore.h b/src/tint/utils/rtti/ignore.h
index f4e4ddb..2014d11 100644
--- a/src/tint/utils/rtti/ignore.h
+++ b/src/tint/utils/rtti/ignore.h
@@ -29,6 +29,8 @@
 #ifndef SRC_TINT_UTILS_RTTI_IGNORE_H_
 #define SRC_TINT_UTILS_RTTI_IGNORE_H_
 
+#include <type_traits>
+
 namespace tint {
 
 /// Ignore is used as a special type used for skipping over types for trait helper functions.