re typedef segfault

hi!
here is my new clang bugreport:
http://llvm.org/bugs/show_bug.cgi?id=2406

overview:
#include <stdlib.h>
typedef long long int64_t ;

compile command and error:
$ ccc -c bug1.c
bug1.c
clang -emit-llvm-bc -x c -o bug1.o bug1.c
clang[0x837d0b8]

cheers,
Csaba