c++/7086: g++ -O2 locks up

[Reichelt]

Hi,

the compiler does not actually hang up, it just takes *much* longer
(almost 50 times):

  compile time with 3.1: 3.6s
  compile time with trunk: 169s

using a 600 MHz Pentium III (i686-pc-linux-gnu).

Greetings,
Volker Reichelt

http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7086