(In reply to comment #33)
> With "gcc version 4.4.0 20090102" on i386-pc-solaris2.11 I'm getting:
> # gcc -v -o test_gmp_1 test_gmp_1.cc -lgmp -lstdc++
> /usr/local/lib/gcc/i386-pc-solaris2.11/4.4.0/../../../libstdc++.so: undefined
> reference to `_Unwind_GetIPInfo@GCC_4.2.0'
> collect2: ld returned 1 exit status
sounds like correct version of libgcc is not being so that is not a bug with GCC but with your installation of GCC.