[fpc-devel] Tiny fix for codegenerator

[Sergei Gorelkin]

Hello,

I was wondering why Pascal statements like
"Inc(SomePointer, sizeof(WideChar))" are compiled into two assembler 
commands (mov ecx,2; add [location],ecx).
I found out that tcginlinenode.second_incdec checks second argument to 
be an ordinal constant. In my case, however, the second argument is 
being converted into pointer constant somewhere earlier, therefore
tcginlinenode.second_incdec forces it into register.
I added a check (see the patch attached) and now it is compiled into
"add [location],2", thus saving the register for other usage.

Regards,
Sergei
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