google · copybara-service · Feb 20, 2026
diff --git a/bazel/llvm.bzl b/bazel/llvm.bzl
@@ -53,7 +53,7 @@ def _llvm_loader_repository(repository_ctx):
             executable = False,
         )
 
-LLVM_COMMIT_SHA = "c6bb1afbc5086c3f483921c575262bd95c346e5b"
+LLVM_COMMIT_SHA = "b20d7d0278059735bb8eb538ac51e13b58895c1a"
 
 def llvm_loader_repository_dependencies():
     # This *declares* the dependency, but it won't actually be *downloaded* unless it's used.

diff --git a/cc_bindings_from_rs/test/consts/consts_cc_api.h b/cc_bindings_from_rs/test/consts/consts_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // consts_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_CONSTS_CONSTS_GOLDEN

diff --git a/cc_bindings_from_rs/test/consts/consts_cc_api_impl.rs b/cc_bindings_from_rs/test/consts/consts_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // consts_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/cc_bindings_from_rs/test/enums/enums_cc_api.h b/cc_bindings_from_rs/test/enums/enums_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // enums_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_ENUMS_ENUMS_GOLDEN

diff --git a/cc_bindings_from_rs/test/enums/enums_cc_api_impl.rs b/cc_bindings_from_rs/test/enums/enums_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // enums_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/cc_bindings_from_rs/test/function_pointers/function_pointers_cc_api.h b/cc_bindings_from_rs/test/function_pointers/function_pointers_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // function_pointers_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_FUNCTION_POINTERS_FUNCTION_POINTERS_GOLDEN

diff --git a/cc_bindings_from_rs/test/function_pointers/function_pointers_cc_api_impl.rs b/cc_bindings_from_rs/test/function_pointers/function_pointers_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // function_pointers_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/cc_bindings_from_rs/test/functions/functions_cc_api.h b/cc_bindings_from_rs/test/functions/functions_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // functions_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_FUNCTIONS_FUNCTIONS_GOLDEN

diff --git a/cc_bindings_from_rs/test/functions/functions_cc_api_impl.rs b/cc_bindings_from_rs/test/functions/functions_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // functions_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/cc_bindings_from_rs/test/golden/composable_bridging_cc_api.h b/cc_bindings_from_rs/test/golden/composable_bridging_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // composable_bridging_rust_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_GOLDEN_COMPOSABLE_BRIDGING_RUST_GOLDEN

diff --git a/cc_bindings_from_rs/test/golden/composable_bridging_cc_api_impl.rs b/cc_bindings_from_rs/test/golden/composable_bridging_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // composable_bridging_rust_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/cc_bindings_from_rs/test/golden/function_annotations_cc_api.h b/cc_bindings_from_rs/test/golden/function_annotations_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // function_annotations_rust_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_GOLDEN_FUNCTION_ANNOTATIONS_RUST_GOLDEN
@@ -37,4 +37,4 @@ inline std::int32_t add_two_integers(std::int32_t x, std::int32_t y) {
 #pragma clang diagnostic pop
 #endif  // THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_GOLDEN_FUNCTION_ANNOTATIONS_RUST_GOLDEN
 
-// This file contains Kythe metadata. eyJ0eXBlIjoia3l0aGUwIiwibWV0YSI6W3sidHlwZSI6ImFuY2hvcl9hbmNob3IiLCJzb3VyY2VfYmVnaW4iOjE5MSwic291cmNlX2VuZCI6MjA3LCJ0YXJnZXRfYmVnaW4iOjEwNTYsInRhcmdldF9lbmQiOjEwNzIsImVkZ2UiOiIva3l0aGUvZWRnZS9pbXB1dGVzIiwic291cmNlX3ZuYW1lIjp7ImNvcnB1cyI6ImNvcnB1cyIsInBhdGgiOiJ0aGlyZF9wYXJ0eS9jcnViaXQvY2NfYmluZGluZ3NfZnJvbV9ycy90ZXN0L2dvbGRlbi9mdW5jdGlvbl9hbm5vdGF0aW9ucy5ycyIsImxhbmd1YWdlIjoicnVzdCJ9fV19
+// This file contains Kythe metadata. eyJ0eXBlIjoia3l0aGUwIiwibWV0YSI6W3sidHlwZSI6ImFuY2hvcl9hbmNob3IiLCJzb3VyY2VfYmVnaW4iOjE5MSwic291cmNlX2VuZCI6MjA3LCJ0YXJnZXRfYmVnaW4iOjEwNjksInRhcmdldF9lbmQiOjEwODUsImVkZ2UiOiIva3l0aGUvZWRnZS9pbXB1dGVzIiwic291cmNlX3ZuYW1lIjp7ImNvcnB1cyI6ImNvcnB1cyIsInBhdGgiOiJ0aGlyZF9wYXJ0eS9jcnViaXQvY2NfYmluZGluZ3NfZnJvbV9ycy90ZXN0L2dvbGRlbi9mdW5jdGlvbl9hbm5vdGF0aW9ucy5ycyIsImxhbmd1YWdlIjoicnVzdCJ9fV19
diff --git a/cc_bindings_from_rs/test/golden/function_annotations_cc_api_impl.rs b/cc_bindings_from_rs/test/golden/function_annotations_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // function_annotations_rust_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/cc_bindings_from_rs/test/golden/non_trivially_destructible_cc_api.h b/cc_bindings_from_rs/test/golden/non_trivially_destructible_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // non_trivially_destructible_rust_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_GOLDEN_NON_TRIVIALLY_DESTRUCTIBLE_RUST_GOLDEN

diff --git a/cc_bindings_from_rs/test/golden/non_trivially_destructible_cc_api_impl.rs b/cc_bindings_from_rs/test/golden/non_trivially_destructible_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // non_trivially_destructible_rust_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/cc_bindings_from_rs/test/golden/struct_with_conflicting_fields_and_member_functions_cc_api.h b/cc_bindings_from_rs/test/golden/struct_with_conflicting_fields_and_member_functions_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // struct_with_conflicting_fields_and_member_functions_rust_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_GOLDEN_STRUCT_WITH_CONFLICTING_FIELDS_AND_MEMBER_FUNCTIONS_RUST_GOLDEN

diff --git a/...gs_from_rs/test/golden/struct_with_conflicting_fields_and_member_functions_cc_api_impl.rs b/...gs_from_rs/test/golden/struct_with_conflicting_fields_and_member_functions_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // struct_with_conflicting_fields_and_member_functions_rust_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/cc_bindings_from_rs/test/golden/tag_decl_annotations_cc_api.h b/cc_bindings_from_rs/test/golden/tag_decl_annotations_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // tag_decl_annotations_rust_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_GOLDEN_TAG_DECL_ANNOTATIONS_RUST_GOLDEN
@@ -93,4 +93,4 @@ inline void SomeStruct::__crubit_field_offset_assertions() {
 #pragma clang diagnostic pop
 #endif  // THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_GOLDEN_TAG_DECL_ANNOTATIONS_RUST_GOLDEN
 
-// This file contains Kythe metadata. 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
+// This file contains Kythe metadata. 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
diff --git a/cc_bindings_from_rs/test/golden/tag_decl_annotations_cc_api_impl.rs b/cc_bindings_from_rs/test/golden/tag_decl_annotations_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // tag_decl_annotations_rust_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/cc_bindings_from_rs/test/golden/type_aliases_cc_api.h b/cc_bindings_from_rs/test/golden/type_aliases_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // type_aliases_rust_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_GOLDEN_TYPE_ALIASES_RUST_GOLDEN

diff --git a/cc_bindings_from_rs/test/golden/type_aliases_cc_api_impl.rs b/cc_bindings_from_rs/test/golden/type_aliases_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // type_aliases_rust_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/cc_bindings_from_rs/test/golden/uses_cc_api.h b/cc_bindings_from_rs/test/golden/uses_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // uses_rust_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_GOLDEN_USES_RUST_GOLDEN

diff --git a/cc_bindings_from_rs/test/golden/uses_cc_api_impl.rs b/cc_bindings_from_rs/test/golden/uses_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // uses_rust_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/cc_bindings_from_rs/test/primitive_types/primitive_types_cc_api.h b/cc_bindings_from_rs/test/primitive_types/primitive_types_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // primitive_types_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_PRIMITIVE_TYPES_PRIMITIVE_TYPES_GOLDEN

diff --git a/cc_bindings_from_rs/test/primitive_types/primitive_types_cc_api_impl.rs b/cc_bindings_from_rs/test/primitive_types/primitive_types_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // primitive_types_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/cc_bindings_from_rs/test/traits/traits_cc_api.h b/cc_bindings_from_rs/test/traits/traits_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // traits_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_TRAITS_TRAITS_GOLDEN

diff --git a/cc_bindings_from_rs/test/traits/traits_cc_api_impl.rs b/cc_bindings_from_rs/test/traits/traits_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // traits_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/cc_bindings_from_rs/test/tuples/tuples_cc_api.h b/cc_bindings_from_rs/test/tuples/tuples_cc_api.h
@@ -5,7 +5,7 @@
 // Automatically @generated C++ bindings for the following Rust crate:
 // tuples_golden
 // Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor,
-// std_unique_ptr, std_vector, supported, wrapper
+// std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 // clang-format off
 #ifndef THIRD_PARTY_CRUBIT_CC_BINDINGS_FROM_RS_TEST_TUPLES_TUPLES_GOLDEN

diff --git a/cc_bindings_from_rs/test/tuples/tuples_cc_api_impl.rs b/cc_bindings_from_rs/test/tuples/tuples_cc_api_impl.rs
@@ -4,7 +4,7 @@
 
 // Automatically @generated C++ bindings for the following Rust crate:
 // tuples_golden
-// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, wrapper
+// Features: callables, custom_ffi_types, experimental, fmt, non_unpin_ctor, std_unique_ptr, std_vector, supported, unsafe_view, wrapper
 
 #![allow(unused_unsafe, deprecated, non_snake_case, unreachable_code)]
 #![allow(improper_ctypes_definitions)]

diff --git a/common/crubit_feature.rs b/common/crubit_feature.rs
@@ -42,6 +42,9 @@ flagset::flags! {
 
         /// Enable experimental support for `rs_std::DynCallable` and `absl::AnyInvocable`.
         Callables,
+
+        /// Mark C++ types with `[[gsl::Pointer]]` as unsafe.
+        UnsafeView,
     }
 }
 
@@ -63,6 +66,7 @@ impl CrubitFeature {
             Self::AssumeLifetimes => "assume_lifetimes",
             Self::Fmt => "fmt",
             Self::Callables => "callables",
+            Self::UnsafeView => "unsafe_view",
         }
     }
 
@@ -81,6 +85,7 @@ impl CrubitFeature {
             Self::AssumeLifetimes => "//features:assume_lifetimes",
             Self::Fmt => "//features:fmt",
             Self::Callables => "//features:callables",
+            Self::UnsafeView => "//features:unsafe_view",
         }
     }
 }
@@ -100,6 +105,7 @@ pub fn named_features(name: &[u8]) -> Option<flagset::FlagSet<CrubitFeature>> {
         b"assume_lifetimes" => CrubitFeature::AssumeLifetimes.into(),
         b"fmt" => CrubitFeature::Fmt.into(),
         b"callables" => CrubitFeature::Callables.into(),
+        b"unsafe_view" => CrubitFeature::UnsafeView.into(),
         _ => return None,
     };
     Some(features)