Hoist section call out of loop.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190440 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 5056eca..6f6a7de 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2284,6 +2284,7 @@
 ///
 void DwarfDebug::emitDebugPubNames() {
   const MCSection *ISec = Asm->getObjFileLowering().getDwarfInfoSection();
+  const MCSection *PSec = Asm->getObjFileLowering().getDwarfPubNamesSection();
 
   typedef DenseMap<const MDNode*, CompileUnit*> CUMapType;
   for (CUMapType::iterator I = CUMap.begin(), E = CUMap.end(); I != E; ++I) {
@@ -2294,8 +2295,7 @@
       continue;
 
     // Start the dwarf pubnames section.
-    Asm->OutStreamer
-        .SwitchSection(Asm->getObjFileLowering().getDwarfPubNamesSection());
+    Asm->OutStreamer.SwitchSection(PSec);
 
     Asm->OutStreamer.AddComment("Length of Public Names Info");
     Asm->EmitLabelDifference(Asm->GetTempSymbol("pubnames_end", ID),