Iñaki Amatria Barral bdbe8fa1f3 [flang] Align -x language modes with gfortran (#130268) ...

This PR addresses some of the issues described in
https://github.com/llvm/llvm-project/issues/127617. Key changes:

- Stop assuming fixed-form for `-x f95` unless the input is a `.i` file.
This change ensures compatibility with `-save-temps` workflows while
preventing unintended fixed-form assumptions.
- Ensure `-x f95-cpp-input` enables `-cpp` by default, aligning Flang's
behavior with `gfortran`.

2025-03-12 16:45:33 +01:00

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