Comment 8 for bug 917967

Confirmed that the fault exists in gcc-linaro:

michaelh@crucis:~/linaro/gcc/build/a7-support$ ./install/bin/arm-linux-gnueabi-gcc -O3 -mfpu=neon -mcpu=cortex-a9 -mfloat-abi=hard -S ../../pr51799/gcc/testsuite/gcc.dg/vect/pr51799.c
../../pr51799/gcc/testsuite/gcc.dg/vect/pr51799.c: In function ‘f0a’:
../../pr51799/gcc/testsuite/gcc.dg/vect/pr51799.c:8:1: internal compiler error: in vect_is_simple_use_1, at tree-vect-stmts.c:5867

Backported and confirmed that the fault is cleared.