Add support for pushsection and popsection. Patch by Joerg Sonnenberger.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125629 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCLoggingStreamer.cpp b/lib/MC/MCLoggingStreamer.cpp
index d947481..012c7f6 100644
--- a/lib/MC/MCLoggingStreamer.cpp
+++ b/lib/MC/MCLoggingStreamer.cpp
@@ -48,10 +48,9 @@
     return Child->AddBlankLine();
   }
 
-  virtual void SwitchSection(const MCSection *Section) {
-    CurSection = Section;
-    LogCall("SwitchSection");
-    return Child->SwitchSection(Section);
+  virtual void ChangeSection(const MCSection *Section) {
+    LogCall("ChangeSection");
+    return Child->ChangeSection(Section);
   }
 
   virtual void InitSections() {