diff --git a/llvm/cmake/modules/AddLLVM.cmake b/llvm/cmake/modules/AddLLVM.cmake
--- a/llvm/cmake/modules/AddLLVM.cmake
+++ b/llvm/cmake/modules/AddLLVM.cmake
@@ -1638,7 +1638,7 @@
     set(ENABLE_SHARED "0")
   endif()
 
-  if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE)
+  if(LLVM_ENABLE_ASSERTIONS)
     set(ENABLE_ASSERTIONS "1")
   else()
     set(ENABLE_ASSERTIONS "0")