ref param mismatch --> segfault

[spir]

Hello,

I was defining a (generic & higher-order) list-of-terms parsing func. It uses 
funcs which each parse a term of a given type from a token stream and advance a 
ref index. As you may note below, I initially forgot to 'ref' the index in the 
type of the parse func passed as param, in the generic func signature.
The compiler accepted and the program segfault-ed (for getting a value instead 
of a reference, probably). Certainly ref qualifiers should be checked, 
shouldn't they? The situation indeed is somewhat special here.

Foo getFoo(Token[] tokens, ref uint index)
{...}
Term[] getTerms (Term) (Term function (Token[], uint) parseFunc, Token[] tokens)
{...}
void main()
{
     Foo[] foos = getTerms!(Foo)(&getFoo, s);	# ==> segfault
}

Denis
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