* support/regression/tests/bug1409955.c: new, added

* support/regression/tests/bug1409955.c: new, added
* src/mcs51/gen.h: changed asmop.freed:1 to asmop.allocated for tracking
* src/mcs51/gen.c (newAsmop): set asmop.allocated to 1,
  (aopForSym, aopOp): increment asmop.allocated if reused,
  (freeAsmop): decrement asmop.allocated and check for zero instead of
  using asmop.freed,
  (freeForBranchAsmop): use asmop.allocated instead of asmop.freed,
  (genNot, genCpl, genUminus, genMinus, genMult, genDiv, genMod, genCmpGt,
   genCmpLt, genAndOp, genOrOp, genAnd, genOr, genXor, genRRC, genRLC,
   genGetHbit, genGetAbit, genGetByte, genGetWord, genSwap,
   genLeftShiftLiteral, genLeftShift, genRightShiftLiteral,
   genSignedRightShift, genRightShift, genDataPointerGet,
   genPagedPointerGet, genFarPointerGet, genCodePointerGet,
   genGenPointerGet, genDataPointerSet, genAssign, genCast): free asmop's
    in reverse order from allocation,
  (genPlus, genCmpEq): free asmop's in reverse order from allocation and
    added swappedLR to keep track
* support/regression/fwk/include/testfwk.h: added defines for xdata, idata,
  pdata & code for GCC, z80, gbz80 & hc08
* support/regression/tests/zeropad.c: moved defines to testfwk.h

git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@4057 4a8a32a2-be11-0410-ad9d-d568d2c75423