Use StringRef in Pass/PassManager APIs (NFC)

llvm-svn: 283004
diff --git a/llvm/lib/Transforms/Utils/NameAnonGlobals.cpp b/llvm/lib/Transforms/Utils/NameAnonGlobals.cpp
index c36c1df..34dc1cc 100644
--- a/llvm/lib/Transforms/Utils/NameAnonGlobals.cpp
+++ b/llvm/lib/Transforms/Utils/NameAnonGlobals.cpp
@@ -91,7 +91,7 @@
   static char ID;
 
   /// Specify pass name for debug output
-  const char *getPassName() const override { return "Name Anon Globals"; }
+  StringRef getPassName() const override { return "Name Anon Globals"; }
 
   explicit NameAnonGlobalLegacyPass() : ModulePass(ID) {}