message: Make r317463 patch for 5.0 apply perfectly
diff: Index: lib/Target/X86/X86ISelLowering.cpp
  ===================================================================
  ---- lib/Target/X86/X86ISelLowering.cpp (revision 317462)
  -+++ lib/Target/X86/X86ISelLowering.cpp (revision 317463)
  -@@ -7713,6 +7713,111 @@
  +--- lib/Target/X86/X86ISelLowering.cpp (revision 317524)
  ++++ lib/Target/X86/X86ISelLowering.cpp (working copy)
  +@@ -7646,6 +7646,111 @@
  return SDValue();
  }
  @@ -114,7 +114,7 @@ Index: lib/Target/X86/X86ISelLowering.cpp
  SDValue
  X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
  SDLoc dl(Op);
  -@@ -7928,6 +8033,9 @@
  +@@ -7813,6 +7918,9 @@
  if (IsAllConstants)
  return SDValue();
  