[llvm] [Arm64EC] Copy import descriptors to the EC Map (PR #84834)

[Daniel Paoliello via llvm-commits]

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@@ -677,6 +677,16 @@ static bool isECObject(object::SymbolicFile &Obj) {
   return false;
 }
 
+bool isImportDescriptor(const std::string_view Name) {
+  return Name.substr(0, ImportDescriptorPrefix.size()) ==
+             ImportDescriptorPrefix ||
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dpaoliello wrote:

Good call

https://github.com/llvm/llvm-project/pull/84834