Fix thinko.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189279 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 52e1461..99ca037 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -210,7 +210,7 @@
   if (DwarfAccelTables == Default)
     HasDwarfAccelTables = IsDarwin;
   else
-    HasDwarfAccelTables = DwarfAccelTables = Enable;
+    HasDwarfAccelTables = DwarfAccelTables == Enable;
 
   if (SplitDwarf == Default)
     HasSplitDwarf = false;