Fix a typo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108962 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/StripSymbols.cpp b/lib/Transforms/IPO/StripSymbols.cpp
index 3437020..c74bad0 100644
--- a/lib/Transforms/IPO/StripSymbols.cpp
+++ b/lib/Transforms/IPO/StripSymbols.cpp
@@ -259,7 +259,7 @@
          ++FI)
       for (BasicBlock::iterator BI = FI->begin(), BE = FI->end(); BI != BE;
            ++BI) {
-        Changed != !BI->getDebugLoc().isUnknown();
+        Changed |= !BI->getDebugLoc().isUnknown();
         BI->setDebugLoc(DebugLoc());
       }