Move expression visitation logic up to MCStreamer.

Remove the duplicate from MCRecordStreamer. No functionality change.

llvm-svn: 211714
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.cpp b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.cpp
index e4740c2..3ac0aca 100644
--- a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.cpp
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.cpp
@@ -128,6 +128,6 @@
   return true;
 }
 
-void PPCMCExpr::visitUsedExpr(MCObjectStreamer &Streamer) const {
+void PPCMCExpr::visitUsedExpr(MCStreamer &Streamer) const {
   Streamer.visitUsedExpr(*getSubExpr());
 }
diff --git a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.h b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.h
index 987240e..bca4085 100644
--- a/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.h
+++ b/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCExpr.h
@@ -79,7 +79,7 @@
   void PrintImpl(raw_ostream &OS) const override;
   bool EvaluateAsRelocatableImpl(MCValue &Res,
                                  const MCAsmLayout *Layout) const override;
-  void visitUsedExpr(MCObjectStreamer &Streamer) const override;
+  void visitUsedExpr(MCStreamer &Streamer) const override;
   const MCSection *FindAssociatedSection() const override {
     return getSubExpr()->FindAssociatedSection();
   }