DebugInfo: Correct comment & re-format a nearby loop

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185844 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 6b06d8b..9cf8f3c 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2383,13 +2383,11 @@
   // Start the dwarf addr section.
   Asm->OutStreamer.SwitchSection(AddrSection);
 
-  // Get all of the address pool entries and put them in an array by their ID so
-  // we can sort them.
+  // Order the address pool entries by ID
   SmallVector<const MCExpr *, 64> Entries(AddressPool.size());
 
-  for (DenseMap<const MCExpr *, unsigned>::iterator
-           I = AddressPool.begin(),
-           E = AddressPool.end();
+  for (DenseMap<const MCExpr *, unsigned>::iterator I = AddressPool.begin(),
+                                                    E = AddressPool.end();
        I != E; ++I)
     Entries[I->second] = I->first;