And should use the correct variable.

llvm-svn: 97193
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfException.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfException.cpp
index bdb1c52..c3cbd62 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfException.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfException.cpp
@@ -758,7 +758,7 @@
     if (OffsetSize != TTypeBaseOffsetSize) {
       assert((int)OffsetSize - (int)TTypeBaseOffsetSize);
       TTypeBaseOverflow = OffsetSize - TTypeBaseOffsetSize;
-      assert(SizeAlign >= TTypeBaseOffsetSize);
+      assert(SizeAlign >= TTypeBaseOverflow);
       SizeAlign -= TTypeBaseOverflow;
     }