[llvm] [NewGVN][1/3] Load coercion between load and store (PR #68659)

[Arthur Eubanks via llvm-commits]

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@@ -653,6 +658,16 @@ class NewGVN {
   // Deletion info.
   SmallPtrSet<Instruction *, 8> InstructionsToErase;
 
+  // Map candidate load to their depending instructions.
+  mutable std::map<Value *, DenseSet<std::pair<Instruction *, BasicBlock *>>>
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aeubanks wrote:

is `mutable` necessary?

https://github.com/llvm/llvm-project/pull/68659