Create import libraries with empty exports and make sure that archive symbols are properly populated. RUN: split-file %s %t.dir && cd %t.dir RUN: llvm-lib -machine:arm64 -out:arm64.lib -def:test.def RUN: llvm-nm --print-armap arm64.lib | FileCheck --check-prefixes=CHECK,NOECMAP %s RUN: llvm-lib -machine:arm64ec -out:arm64ec.lib -def:test.def RUN: llvm-nm --print-armap arm64ec.lib | FileCheck --check-prefixes=CHECK,ECMAP %s CHECK: Archive map CHECK-NEXT: __IMPORT_DESCRIPTOR_test in test.dll CHECK-NEXT: __NULL_IMPORT_DESCRIPTOR in test.dll CHECK-NEXT: test_NULL_THUNK_DATA in test.dll CHECK-EMPTY: ECMAP: Archive EC map ECMAP-NEXT: __IMPORT_DESCRIPTOR_test in test.dll ECMAP-NEXT: __NULL_IMPORT_DESCRIPTOR in test.dll ECMAP-NEXT: test_NULL_THUNK_DATA in test.dll NOECMAP-NOT: Archive EC map #--- test.def LIBRARY test.dll EXPORTS