* g++.old-deja/g++.brendan/code-gen4.C: Include stdio.h and
stdlib.h.  Call abort() on failure.
* g++.old-deja/g++.law/refs4.C: Likewise.
* g++.old-deja/g++.law/temps4.C: Likewise.
* g++.old-deja/g++.brendan/complex1.C: Don't assume argc is 1.
* gcc.c-torture/execute/20000112-1.c: Include string.h.

From-SVN: r34233