bugs: multiple assignment & unresolved symbols .Lexit_

Hello,

I came accros two bugs in "Quick C-- Version 20050328".

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In the language specification the semantics of multiple assignment
states to calculate first all rhs & addresses before assigning.

But the following assignment breaks:

x, hp, bits32[hp], bits32[hp+4] = hp, hp+8, a, b

This should allocate a tuple (a,b) on the heap and assign it's location
to x. The addresses of the lhs are calculated with the new value of hp.

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A case as the last statment results in an unresolved reference .Lexit_<number>.
No code jumps to this code block, but the code is emitted. 

I attached an example.

--
regards,
Christof Douma