[llvm] [llvm-ar][Object][COFF] Add support for EC symbols to llvm-ar. (PR #85230)

[James Henderson via llvm-commits]

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@@ -678,6 +678,25 @@ static bool isECObject(object::SymbolicFile &Obj) {
   return false;
 }
 
+static bool isAnyArm64COFF(object::SymbolicFile &Obj) {
+  if (Obj.isCOFF())
+    return COFF::isAnyArm64(cast<COFFObjectFile>(&Obj)->getMachine());
+
+  if (Obj.isCOFFImportFile())
+    return COFF::isAnyArm64(cast<COFFImportFile>(&Obj)->getMachine());
+
+  if (Obj.isIR()) {
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jh7370 wrote:

Test case?

https://github.com/llvm/llvm-project/pull/85230