Hi!

My profiledbootstrap --enable-checking=release (and lots of other configury
options) failed this morning, I got warnings (promoted to errors due to
-Werror*) because our uninitialized warning code couldn't figure these out.

Fixed thusly, bootstrapped/regtested on x86_64-linux and i686-linux,
ok for trunk?

2011-12-21  Jakub Jelinek  <ja...@redhat.com>

        * tree-vect-patterns.c (vect_operation_fits_smaller_type): Initialize
        *op0 and *op1 to NULL_TREE first to avoid warnings.
        * calls.c (initialize_argument_information): Initialize base to avoid
        warnings.

--- gcc/tree-vect-patterns.c.jj 2011-12-21 08:43:48.000000000 +0100
+++ gcc/tree-vect-patterns.c    2011-12-21 09:47:50.908126257 +0100
@@ -900,6 +900,8 @@ vect_operation_fits_smaller_type (gimple
   loop_vec_info loop_info = STMT_VINFO_LOOP_VINFO (vinfo_for_stmt (stmt));
   struct loop *loop = LOOP_VINFO_LOOP (loop_info);
 
+  *op0 = NULL_TREE;
+  *op1 = NULL_TREE;
   *new_def_stmt = NULL;
 
   if (!is_gimple_assign (stmt))
--- gcc/calls.c.jj      2011-12-12 22:10:26.000000000 +0100
+++ gcc/calls.c 2011-12-21 09:03:44.721030991 +0100
@@ -1157,7 +1157,7 @@ initialize_argument_information (int num
                             type, argpos < n_named_args))
        {
          bool callee_copies;
-         tree base;
+         tree base = NULL_TREE;
 
          callee_copies
            = reference_callee_copied (args_so_far_pnt, TYPE_MODE (type),

        Jakub

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