cmake: Our MSVC build does not support config-time build mode.

llvm-svn: 134008

Author: atrick

llvm/test/CMakeLists.txt

@@ -81,7 +81,7 @@ if(PYTHONINTERP_FOUND)
   set(ENABLE_SHARED ${LLVM_SHARED_LIBS_ENABLED})
   set(SHLIBPATH_VAR ${SHLIBPATH_VAR})
 
-  if(LLVM_ENABLE_ASSERTIONS)
+  if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE)
     set(ENABLE_ASSERTIONS "1")
   else()
     set(ENABLE_ASSERTIONS "0")