[sancov] Fix an unused variable warning introduced in r245067

llvm-svn: 245072
diff --git a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
index 8a6ab4b..3bcb8de 100644
--- a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
+++ b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
@@ -437,7 +437,7 @@
   // locations.
   if (isa<UnreachableInst>(BB.getTerminator()))
     return;
-  BasicBlock::iterator IP = BB.getFirstInsertionPt(), BE = BB.end();
+  BasicBlock::iterator IP = BB.getFirstInsertionPt();
 
   bool IsEntryBB = &BB == &F.getEntryBlock();
   DebugLoc EntryLoc;