Debug Info: clean up usage of Verify.

No functionality change. It should suffice to check the type of a debug info
metadata, instead of calling Verify.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185847 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 2d2467a..36bd374 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -193,15 +193,15 @@
   }
 
   bool variableHasComplexAddress()   const {
-    assert(Var.Verify() && "Invalid complex DbgVariable!");
+    assert(Var.isVariable() && "Invalid complex DbgVariable!");
     return Var.hasComplexAddress();
   }
   bool isBlockByrefVariable()        const {
-    assert(Var.Verify() && "Invalid complex DbgVariable!");
+    assert(Var.isVariable() && "Invalid complex DbgVariable!");
     return Var.isBlockByrefVariable();
   }
   unsigned getNumAddrElements()      const {
-    assert(Var.Verify() && "Invalid complex DbgVariable!");
+    assert(Var.isVariable() && "Invalid complex DbgVariable!");
     return Var.getNumAddrElements();
   }
   uint64_t getAddrElement(unsigned i) const {