diff --git a/llvm/cmake/modules/LLVMCheckLinkerFlag.cmake b/llvm/cmake/modules/LLVMCheckLinkerFlag.cmake
--- a/llvm/cmake/modules/LLVMCheckLinkerFlag.cmake
+++ b/llvm/cmake/modules/LLVMCheckLinkerFlag.cmake
@@ -12,6 +12,8 @@
 
   # cmake builtin compatible, except we assume lang is C or CXX
   function(llvm_check_linker_flag lang flag out_var)
+    cmake_policy(PUSH)
+    cmake_policy(SET CMP0056 NEW)
     cmake_push_check_state()
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${flag}")
     if("${lang}" STREQUAL "C")
@@ -22,5 +24,6 @@
       message(FATAL_ERROR "\"${lang}\" is not C or CXX")
     endif()
     cmake_pop_check_state()
+    cmake_policy(POP)
   endfunction()
 endif()