llvm-gcc-4.2/gcc/testsuite/gcc.apple/opt-pragma-7.c

/* APPLE LOCAL 4760857 */
/* Check that loop optimizations are handled correctly by
   #pragma optimization_level.  */
/* LLVM LOCAL - disable pragma opt -- whole file */
/* { dg-do compile { xfail { *-*-* } } } */
/* { dg-options "-Os" } */