[lld] [LLD][COFF] Use EC symbol table for output DEF file on ARM64X (PR #125531)

[Jacek Caban via llvm-commits]

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@@ -74,6 +74,10 @@ IMPLIB-EC-NEXT: Symbol: func
 IMPLIB-EC-NEXT: Symbol: __imp_aux_func
 IMPLIB-EC-NEXT: Symbol: #func
 
+RUN: FileCheck --check-prefix=OUT-DEF %s < out.def
+OUT-DEF:      EXPORTS
+OUT-DEF-NEXT:     func @1
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cjacek wrote:

I added a test to the linker invocation that exports only the EC symbol (verifying that the command-line option applies only to EC symbols). I also confirmed that the test fails if I revert the change.

https://github.com/llvm/llvm-project/pull/125531