5196 The cw wrapper restricts gcc to -O2

*** 25,34 ****
--- 25,35 ----
  #
  
  #
  # Copyright (c) 2012 by Delphix. All rights reserved.
  # Copyright (c) 2013, Joyent, Inc. All rights reserved.
+ # Copyright 2014 Gary Mills
  #
  
  #
  # WARNING: Do not include Makefile.ctf here. That will cause tests to
  # break.
*** 52,62 ****
  fasttrap/tst.stack.exe := LDLIBS += -ldtrace
  
  sysevent/tst.post.exe := LDLIBS += -lsysevent
  sysevent/tst.post_chan.exe := LDLIBS += -lsysevent
  
! ustack/tst.bigstack.exe := COPTFLAG += -xO1
  
  GCC = $(ONBLD_TOOLS)/bin/$(MACH)/cw -_gcc
  
  nfs/%.o: $(SNOOPDIR)/%.c
          $(COMPILE.c) -o $@ $< -I$(SNOOPDIR)
--- 53,63 ----
  fasttrap/tst.stack.exe := LDLIBS += -ldtrace
  
  sysevent/tst.post.exe := LDLIBS += -lsysevent
  sysevent/tst.post_chan.exe := LDLIBS += -lsysevent
  
! ustack/tst.bigstack.exe := COPTFLAG = $(ADJUST_OPT1) -_cc=-xO1 -_gcc=-O1
  
  GCC = $(ONBLD_TOOLS)/bin/$(MACH)/cw -_gcc
  
  nfs/%.o: $(SNOOPDIR)/%.c
          $(COMPILE.c) -o $@ $< -I$(SNOOPDIR)