[Bug bootstrap/53331] [4.8 Regression] AIX bootstrap failure in tree-vect-data-ref compiling matmul_i4

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53331

--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-05-12 
14:27:07 UTC ---
On powerpc-apple-darwin9 I get a similar failure:

../../../work/libgfortran/generated/matmul_i8.c: In function 'matmul_i8':
../../../work/libgfortran/generated/matmul_i8.c:79:1: internal compiler error:
in vect_enhance_data_refs_alignment, at tree-vect-data-refs.c:1963
 matmul_i8 (gfc_array_i8 * const restrict retarray,