f1d4cef852
This seems to be the consensus in https://github.com/flang-compiler/f18-llvm-project/issues/1316 The patch adds ExternalNameConversion to the default FIR CodeGen pass pipeline, right before the FIRtoLLVM pass. It also adds a flag to optionally disable it, and sets it in `tco`. In other words, `flang-new` and `flang-new -fc1` will both run the pass by default, whereas `tco` will not, so none of the tests need to be updated. Differential Revision: https://reviews.llvm.org/D121171