This gold thinlto test should have been updated in commit dda7333 (dda73336ad). It's ok to keep {Inputs/emit-llvm.foo.ll, Inputs/emit-llvm.bar.ll} the current way for `llvm-as` since the field is optional (see example in5d6d8dcd29/llvm/test/Assembler/thinlto-summary.ll (L12-L16))