re PR middle-end/61378 (Obvious bug in vn_reference_lookup_3)

2014-06-02  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/61378
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Initialize
	valueized_anything.

From-SVN: r211126

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 120ada9d8161cf09982d372bdc50785395281c40..7559fbe78b8d61c3df1d0acd1153781117638c1b 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2014-06-02  Richard Biener  <rguenther@suse.de>
+
+       PR tree-optimization/61378
+       * tree-ssa-sccvn.c (vn_reference_lookup_3): Initialize
+       valueized_anything.
+
 2014-06-01  Uros Bizjak  <ubizjak@gmail.com>
 
        * config/i386/constraints.md (Bw): Rename from 'w'.

diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c
index 77dcad9e578dd51c84a1c18d046394b811d4bd17..2583375f32b635132b90556686ac7660b1eab245 100644 (file)
--- a/gcc/tree-ssa-sccvn.c
+++ b/gcc/tree-ssa-sccvn.c
@@ -1613,7 +1613,7 @@ vn_reference_lookup_3 (ao_ref *ref, tree vuse, void *vr_,
         conditional calls to free falsely clobbering ref because
         of imprecise points-to info of the argument.  */
       tree oldargs[4];
-      bool valueized_anything;
+      bool valueized_anything = false;
       for (unsigned i = 0; i < gimple_call_num_args (def_stmt); ++i)
        {
          oldargs[i] = gimple_call_arg (def_stmt, i);