diff --git a/test/Interop/SwiftToCxx/stdlib/swift-stdlib-in-cxx.swift b/test/Interop/SwiftToCxx/stdlib/swift-stdlib-in-cxx.swift
index e3455dfdf2e..0812d31515b 100644
--- a/test/Interop/SwiftToCxx/stdlib/swift-stdlib-in-cxx.swift
+++ b/test/Interop/SwiftToCxx/stdlib/swift-stdlib-in-cxx.swift
@@ -124,6 +124,7 @@
 // CHECK: SWIFT_INLINE_THUNK uint8_t operator [](const __StringNested::Index& i) const SWIFT_SYMBOL({{.*}});
 // CHECK:   SWIFT_INLINE_THUNK String getDescription() const SWIFT_SYMBOL({{.*}});
 // CHECK:   SWIFT_INLINE_THUNK swift::Int getCount() const SWIFT_SYMBOL({{.*}});
+// CHECK:   SWIFT_INLINE_THUNK bool isTriviallyIdenticalTo(const __StringNested::UTF8View& other) const SWIFT_SYMBOL({{.*}}) {{.*}};
 // CHECK-NEXT: private:
 
 // CHECK: class AnyKeyPath { } SWIFT_UNAVAILABLE_MSG("class 'AnyKeyPath' is not yet exposed to C++");
diff --git a/test/abi/macOS/arm64/stdlib.swift b/test/abi/macOS/arm64/stdlib.swift
index 15b990049ec..ea687ad8139 100644
--- a/test/abi/macOS/arm64/stdlib.swift
+++ b/test/abi/macOS/arm64/stdlib.swift
@@ -1165,3 +1165,9 @@ Added: _$ss13EncodingErrorOs28CustomDebugStringConvertiblesWP
 // SE-0494 Add isTriviallyIdentical(to:) Methods to String and Substring
 Added: _$sSS20isTriviallyIdentical2toSbSS_tF
 Added: _$sSs20isTriviallyIdentical2toSbSs_tF
+Added: _$sSS17UnicodeScalarViewV20isTriviallyIdentical2toSbAB_tF
+Added: _$sSS8UTF8ViewV20isTriviallyIdentical2toSbAB_tF
+Added: _$sSS9UTF16ViewV20isTriviallyIdentical2toSbAB_tF
+Added: _$sSs17UnicodeScalarViewV20isTriviallyIdentical2toSbAB_tF
+Added: _$sSs8UTF8ViewV20isTriviallyIdentical2toSbAB_tF
+Added: _$sSs9UTF16ViewV20isTriviallyIdentical2toSbAB_tF
diff --git a/test/abi/macOS/x86_64/stdlib.swift b/test/abi/macOS/x86_64/stdlib.swift
index 09fa99fb77f..9b7cf5e72df 100644
--- a/test/abi/macOS/x86_64/stdlib.swift
+++ b/test/abi/macOS/x86_64/stdlib.swift
@@ -1160,3 +1160,9 @@ Added: _$ss13EncodingErrorOs28CustomDebugStringConvertiblesWP
 // SE-0494 Add isTriviallyIdentical(to:) Methods to String and Substring
 Added: _$sSS20isTriviallyIdentical2toSbSS_tF
 Added: _$sSs20isTriviallyIdentical2toSbSs_tF
+Added: _$sSS17UnicodeScalarViewV20isTriviallyIdentical2toSbAB_tF
+Added: _$sSS8UTF8ViewV20isTriviallyIdentical2toSbAB_tF
+Added: _$sSS9UTF16ViewV20isTriviallyIdentical2toSbAB_tF
+Added: _$sSs17UnicodeScalarViewV20isTriviallyIdentical2toSbAB_tF
+Added: _$sSs8UTF8ViewV20isTriviallyIdentical2toSbAB_tF
+Added: _$sSs9UTF16ViewV20isTriviallyIdentical2toSbAB_tF