[llvm] Prepend all library intrinsics with `#` when building for Arm64EC (PR #87542)

[Daniel Paoliello via llvm-commits]

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@@ -1003,6 +1003,9 @@ class AArch64TargetLowering : public TargetLowering {
   /// make the right decision when generating code for different targets.
   const AArch64Subtarget *Subtarget;
 
+  llvm::BumpPtrAllocator bAlloc;
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dpaoliello wrote:

Ah, sorry, I copied this from elsewhere

https://github.com/llvm/llvm-project/pull/87542