--i-code-in-asm makes compile fail

--i-code-in-asm inserts some lines which should be comments, but are not marked as such when compiling switch statements.
Compiling the attached file using

sdcc --debug --dumpall --i-code-in-asm --std-sdcc99 -mz80 -c icodeinasm.c

shows the error.
I suppose that this problem happens for other ports, too.

I use sdcc 2.6.5 #4749 with some custom patches applied. These patches shouldn't affect this problem though.

Philipp