[flang-commits] [flang] [flang][driver] do not crash when fc1 process multiple files (PR #138875)

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jeanPerier wrote:

> I'm not opposed to flang -fc1 accepting it even though clang -cc1 doesn't, but I'm not actually clear what the expected behavior would be with flang -fc1 accepting multiple input files. What happens with this change?

With this change, instead of crashing, `flang -fc1 -emit-obj bar.f90  foo.f90` now emits two object files, `bar.o` and `foo.o` (just like if they had been processed individually).




https://github.com/llvm/llvm-project/pull/138875