Fixed unexpected test failures:
conc049
conc064
Old unexpected test failures:
barton-mangler-bug 2 x86-64 Linux 6.6
conc023 1 x86 Windows 6.6
conc035 1 mnemosyne x86-64 Gentoo 6.6
conc047 1 mnemosyne x86-64 Gentoo 6.6
conc048 1 mnemosyne x86-64 Gentoo 6.6
forkprocess01 1 tnaur PPC OSX 6.6
galois_raytrace 2 x86 Windows 6.6