diff --git a/libcxx/test/std/language.support/support.types/byteops/lshift.assign.pass.cpp b/libcxx/test/std/language.support/support.types/byteops/lshift.assign.pass.cpp
index 2c63be98ad86a..8b1569ab3036e 100644
--- a/libcxx/test/std/language.support/support.types/byteops/lshift.assign.pass.cpp
+++ b/libcxx/test/std/language.support/support.types/byteops/lshift.assign.pass.cpp
@@ -12,6 +12,9 @@
 //   constexpr byte& operator<<=(byte& b, IntType shift) noexcept;
 // Constraints: is_integral_v<IntType> is true.
 
+// MSVC warning C4804: '<<': unsafe use of type 'bool' in operation
+// ADDITIONAL_COMPILE_FLAGS(cl-style-warnings): /wd4804
+
 #include <cassert>
 #include <cstddef>
 #include <type_traits>
diff --git a/libcxx/test/std/language.support/support.types/byteops/lshift.pass.cpp b/libcxx/test/std/language.support/support.types/byteops/lshift.pass.cpp
index 86041def46095..2585162880066 100644
--- a/libcxx/test/std/language.support/support.types/byteops/lshift.pass.cpp
+++ b/libcxx/test/std/language.support/support.types/byteops/lshift.pass.cpp
@@ -12,6 +12,9 @@
 //   constexpr byte operator<<(byte b, IntType shift) noexcept;
 // Constraints: is_integral_v<IntType> is true.
 
+// MSVC warning C4804: '<<': unsafe use of type 'bool' in operation
+// ADDITIONAL_COMPILE_FLAGS(cl-style-warnings): /wd4804
+
 #include <cassert>
 #include <cstddef>
 #include <type_traits>
diff --git a/libcxx/test/std/language.support/support.types/byteops/rshift.assign.pass.cpp b/libcxx/test/std/language.support/support.types/byteops/rshift.assign.pass.cpp
index 2fd558c1bf544..bbac97bfc1d46 100644
--- a/libcxx/test/std/language.support/support.types/byteops/rshift.assign.pass.cpp
+++ b/libcxx/test/std/language.support/support.types/byteops/rshift.assign.pass.cpp
@@ -12,6 +12,9 @@
 //   constexpr byte& operator>>=(byte& b, IntType shift) noexcept;
 // Constraints: is_integral_v<IntType> is true.
 
+// MSVC warning C4804: '>>': unsafe use of type 'bool' in operation
+// ADDITIONAL_COMPILE_FLAGS(cl-style-warnings): /wd4804
+
 #include <cassert>
 #include <cstddef>
 #include <type_traits>
diff --git a/libcxx/test/std/language.support/support.types/byteops/rshift.pass.cpp b/libcxx/test/std/language.support/support.types/byteops/rshift.pass.cpp
index ded075febfc55..b1b91b4e0fe6d 100644
--- a/libcxx/test/std/language.support/support.types/byteops/rshift.pass.cpp
+++ b/libcxx/test/std/language.support/support.types/byteops/rshift.pass.cpp
@@ -12,6 +12,9 @@
 //   constexpr byte operator>>(byte b, IntType shift) noexcept;
 // Constraints: is_integral_v<IntType> is true.
 
+// MSVC warning C4804: '>>': unsafe use of type 'bool' in operation
+// ADDITIONAL_COMPILE_FLAGS(cl-style-warnings): /wd4804
+
 #include <cassert>
 #include <cstddef>
 #include <type_traits>