libstdc++/5110: num_put caches num_punct values

[rodrigc@gcc.gnu.org]

Synopsis: num_put caches num_punct values

State-Changed-From-To: feedback->closed
State-Changed-By: rodrigc
State-Changed-When: Sun Mar  3 11:16:29 2002
State-Changed-Why:
    Output of gcc 3.0.4:
    123+456+78+9-123+456+78+9-123+456+78+9
    
    Output of 20020217 (experimental):
    123+456+78+9-1-234-567-89-/123/456/789

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=5110