What I really don't like about the current behaviour of sdcc here is that it breakss standard-conforming programs. There are two other differences between standard C and the default dialect in sdcc, but those just allow something that would be a syntax error in standard C. But omitting integer promotions on arguments of vararg functions changes the semantics.
How about having a way to pass unpromoted chars to vararg functions that uses a different syntax? Maybe something like f(x, __nopromote(c)); instead of f(x, (char)c); Philipp
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