Everything
2.6.3 Combinations of options with conflicting features

If options are specified by the following combinations, an error will occur.

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-dev

If the specifications in -cpu or -use_mda do not match the contents of the device file specified by -dev, an error will occur in the assembler.

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-misra2004 and –misra2012

A compile error will occur when -misra2004 and -misra2012 are specified simultaneously.