[llvm] Make two texts static in `ReplayInlineAdvisor` (PR #79489)

[Vitaly Buka via llvm-commits]

================
@@ -43,8 +43,8 @@ ReplayInlineAdvisor::ReplayInlineAdvisor(
   //   main:3:1.1;
   // We use the callsite string after `at callsite` to replay inlining.
   line_iterator LineIt(*BufferOrErr.get(), /*SkipBlanks=*/true);
-  const std::string PositiveRemark = "' inlined into '";
-  const std::string NegativeRemark = "' will not be inlined into '";
+  static const std::string PositiveRemark = "' inlined into '";
----------------
vitalybuka wrote:

StringRef PositiveRemark?

https://github.com/llvm/llvm-project/pull/79489