[vta] don't let debug insns get in the way of simple vect reduction

[Alexandre Oliva]

libgfortran had some vectorization cases that wouldn't be applied in
the presence of debug stmts referencing the same variables.  Fixed
with the patch below, to be installed shortly.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: vta-vectorizer-reduction.patch
Type: text/x-patch
Size: 1097 bytes
Desc: not available
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20071105/8a2df207/attachment.bin>
-------------- next part --------------

-- 
Alexandre Oliva         http://www.lsd.ic.unicamp.br/~oliva/
FSF Latin America Board Member         http://www.fsfla.org/
Red Hat Compiler Engineer   aoliva@{redhat.com, gcc.gnu.org}
Free Software Evangelist  oliva@{lsd.ic.unicamp.br, gnu.org}