Reapply r41578 with proper fix


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41680 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 084c846..8cfd5f9 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -244,6 +244,7 @@
     setExceptionPointerRegister(X86::EAX);
     setExceptionSelectorRegister(X86::EDX);
   }
+  setOperationAction(ISD::FRAME_TO_ARGS_OFFSET, MVT::i32, Custom);
   
   setOperationAction(ISD::ADJUST_TRAMP, MVT::i32,   Expand);
   setOperationAction(ISD::ADJUST_TRAMP, MVT::i64,   Expand);