* as/hc08/asmain.c (asexit),

* as/hc08/asmain.c (asexit),
* as/hc08/lkmain.c (lkexit),
* as/mcs51/asmain.c (asexit),
* as/mcs51/lkmain.c (lkexit),
* src/SDCCglue.c (DEFSETFUNC),
* src/SDCCmain.c (linkEdit, assemble),
* support/librarian/sdcclib.c (AddRel),
  replaced unlink() by standard C remove()
* src/SDCC.y: replaced removePostIncDecOps() by createRMW()
* src/SDCCast.c (replaceAstWithTemporary, createRMW,
  gatherImplicitVariables): new, added to fix bug 608752,
  (createFunction): added gatherImplicitVariables()
* src/SDCCast.h: added createRMW prototype
* src/SDCCsymt.h (struct symbol): added infertype
* support/regression/tests/bug608752.c: new, added

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@4212 4a8a32a2-be11-0410-ad9d-d568d2c75423