[no-undefined-overflow] Merge from trunk r148125

[Richard Guenther]

Committed.

We ICE in building libgfortran

/space/rguenther/src/svn/no-undefined-overflow/libgfortran/generated/matmul_c8.c: 
In function 'matmul_c8':
/space/rguenther/src/svn/no-undefined-overflow/libgfortran/generated/matmul_c8.c:79:1: 
internal compiler error: in vectorizable_load, at tree-vect-stmts.c:3578
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

which is a restrict issue (again).  This will be fixed with the restrict
rewrite.

Richard.


2009-06-03  Richard Guenther  <rguenther@suse.de>

       Merge from trunk r148125.