make sure RAND_MAX is a proper value
fix for FS.utime parameters
enable tests/cases/uadd_overflow_ta2 in fastcomp
add some X11 headers
support EXCEPTION_CATCHING_WHITELIST in fastcomp
enable test_segfault in fastcomp
parse exports from fastcomp, and enable test_llvm_used
comments
enable test_intentional_fault in all fastcomp modes
enable postset counting code in fastcomp on asm1.test_cubescript
comment
sscanf fix and test fix
disable tests/cases/funcptr.ll in fastcomp, as it is invalid ir (contains a load for a constnat address, which should segfault
 Use -mllvm -disable-llvm-optzns.

The -O options affect the clang front-end in a variety of ways, so allow
them to be passed through to clang. To disable just the optimization passes,
use -mllvm -disable-llvm-optzns.