🚀 go-pugleaf

This is an insn match failure for the pmax. I don't know if it's
generated by backend or g++ specific code.

configuration: most recent g++ & gcc-1.36 config'd for DECstation-3100
input file: libg++/src/stream.c
error message:
gcc -I/usr/local/src/G++/libg++/g++-include     -c  stream.cc
stream.cc: In method class ostream &ostream::operator << (float):
stream.cc:171: The following insn was not recognizable:
(insn 6 5 7 (parallel[ 
           (set (mem:SF (plus:SI (reg:SI 30)
                       (const_int 4)))
               (reg:DF 6))
           (clobber (reg:SI 24))
       ] ) -1 (nil)
   (nil))