diff --git a/clang/lib/Sema/CMakeLists.txt b/clang/lib/Sema/CMakeLists.txt
--- a/clang/lib/Sema/CMakeLists.txt
+++ b/clang/lib/Sema/CMakeLists.txt
@@ -9,6 +9,7 @@
   set_source_files_properties(SemaExprCXX.cpp PROPERTIES COMPILE_FLAGS /bigobj)
   set_source_files_properties(SemaTemplate.cpp PROPERTIES COMPILE_FLAGS /bigobj)
   set_source_files_properties(SemaTemplateDeduction.cpp PROPERTIES COMPILE_FLAGS /bigobj)
+  set_source_files_properties(SemaOpenMP.cpp PROPERTIES COMPILE_FLAGS /bigobj)
 endif()
 
 clang_tablegen(OpenCLBuiltins.inc -gen-clang-opencl-builtins