diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array.pass.cpp
index 01387feed67b..dd0b1d60d28d 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.array/sized_delete_array.pass.cpp
@@ -17,6 +17,8 @@
 // ADDITIONAL_COMPILE_FLAGS(apple-clang-17): -fsized-deallocation
 // ADDITIONAL_COMPILE_FLAGS(target=x86_64-w64-windows-gnu): -fsized-deallocation
 // ADDITIONAL_COMPILE_FLAGS(target=i686-w64-windows-gnu): -fsized-deallocation
+// ADDITIONAL_COMPILE_FLAGS(target=aarch64-w64-windows-gnu): -fsized-deallocation
+// ADDITIONAL_COMPILE_FLAGS(target=armv7-w64-windows-gnu): -fsized-deallocation
 
 // Android clang-r536225 identifies as clang-19.0 but it predates the real
 // LLVM 19.0.0, so it also leaves sized deallocation off by default.
diff --git a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete.pass.cpp b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete.pass.cpp
index 06d3b0e5b3c3..9469af1c78f3 100644
--- a/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete.pass.cpp
+++ b/libcxx/test/std/language.support/support.dynamic/new.delete/new.delete.single/sized_delete.pass.cpp
@@ -17,6 +17,8 @@
 // ADDITIONAL_COMPILE_FLAGS(apple-clang-17): -fsized-deallocation
 // ADDITIONAL_COMPILE_FLAGS(target=x86_64-w64-windows-gnu): -fsized-deallocation
 // ADDITIONAL_COMPILE_FLAGS(target=i686-w64-windows-gnu): -fsized-deallocation
+// ADDITIONAL_COMPILE_FLAGS(target=aarch64-w64-windows-gnu): -fsized-deallocation
+// ADDITIONAL_COMPILE_FLAGS(target=armv7-w64-windows-gnu): -fsized-deallocation
 
 // Android clang-r536225 identifies as clang-19.0 but it predates the real
 // LLVM 19.0.0, so it also leaves sized deallocation off by default.