[PATCH][C++] Fix PR29433, make C++ use a lot less time/memory

[Richard Guenther]

On Tue, 28 Nov 2006, Richard Guenther wrote:

> Bootstrapped & tested on x86_64-unknown-linux-gnu.

gdb testsuite does not regress unpatched vs. patched (it does regress
quite a lot overall comparing 4.1.2 and mainline though).

Richard.