Possible bug in PowerPC structure passing

[Jeffrey A Law]

  In message < 38EA73A1.953425C@apple.com >you write:
  >    gcc -mcall-aix -O -c dek.c
  >    gcc dek.o
  > 
  > then 1.1.2 (the default on my Linux system) wins, while 2.95.2 and
  > yesterday's checkout both lose.  You need -mcall-aix to emulate the
  > MacOS calling convention, -mcall-sysv doesn't seem to have a problem.
FYI -- I've added this to the regression testsuite.
jeff