Temporarily revert r72191. It was causing an assert during llvm-gcc
bootstrapping.

llvm-svn: 72200
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 438ba03..45462da 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1311,7 +1311,7 @@
 void AsmPrinter::processDebugLoc(DebugLoc DL) {
   if (TAI->doesSupportDebugInformation() && DW->ShouldEmitDwarfDebug()) {
     if (!DL.isUnknown()) {
-      static DebugLocTuple PrevDLT(0, DebugScope::getInvalid(), ~0U, ~0U);
+      static DebugLocTuple PrevDLT(0, ~0U, ~0U);
       DebugLocTuple CurDLT = MF->getDebugLocTuple(DL);
 
       if (CurDLT.CompileUnit != 0 && PrevDLT != CurDLT)