Fix a memory leak in the debug emission by simply not allocating memory.
There doesn't appear to be any reason to put this variable on the heap.
I'm suspicious of the LexicalScope above that we stuff in a map and then
delete afterward, but I'm just trying to get the valgrind bot clean.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187301 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 27d243e..0d2d02e 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -951,9 +951,9 @@
         for (unsigned vi = 0, ve = Variables.getNumElements(); vi != ve; ++vi) {
           DIVariable DV(Variables.getElement(vi));
           if (!DV.isVariable()) continue;
-          DbgVariable *NewVar = new DbgVariable(DV, NULL);
+          DbgVariable NewVar(DV, NULL);
           if (DIE *VariableDIE =
-              SPCU->constructVariableDIE(NewVar, Scope->isAbstractScope()))
+              SPCU->constructVariableDIE(&NewVar, Scope->isAbstractScope()))
             ScopeDIE->addChild(VariableDIE);
         }
       }