[llvm] [llvm-lib] Use ARM64EC machine type for import libraries when -machine:arm64x is used. (PR #85972)

[Daniel Paoliello via llvm-commits]

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@@ -96,6 +96,11 @@ READOBJ-NEXT: Name type: name
 READOBJ-NEXT: Export name: dataexp
 READOBJ-NEXT: Symbol: __imp_dataexp
 
+Using -machine:arm64x gives the same output.
+RUN: llvm-lib -machine:arm64x -def:test.def -out:test.lib
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dpaoliello wrote:

Use a different name for this lib file, for debuggability?

https://github.com/llvm/llvm-project/pull/85972