If the linkage name doesn't exist we're supposed to emit a reference
to the string table for the function name, not the function name.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151873 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 58e40e1..9da9e0e 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2132,10 +2132,9 @@
     StringRef Name = SP.getName();
 
     Asm->OutStreamer.AddComment("MIPS linkage name");
-    if (LName.empty()) {
-      Asm->OutStreamer.EmitBytes(Name, 0);
-      Asm->OutStreamer.EmitIntValue(0, 1, 0); // nul terminator.
-    } else
+    if (LName.empty())
+      Asm->EmitSectionOffset(getStringPoolEntry(Name), DwarfStrSectionSym);
+    else
       Asm->EmitSectionOffset(getStringPoolEntry(getRealLinkageName(LName)),
                              DwarfStrSectionSym);