Use StringRef in Pass/PassManager APIs (NFC)

llvm-svn: 283004
diff --git a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
index 774fe2f..89106f6 100644
--- a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
+++ b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp
@@ -189,7 +189,7 @@
   bool runOnModule(Module &M) override;
   bool runOnFunction(Function &F);
   static char ID; // Pass identification, replacement for typeid
-  const char *getPassName() const override { return "SanitizerCoverageModule"; }
+  StringRef getPassName() const override { return "SanitizerCoverageModule"; }
 
   void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.addRequired<DominatorTreeWrapperPass>();