Add type to VR_VARYING.

From-SVN: r274561

1 files changed, 6 insertions, 1 deletions

diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c
index 34e68544fe6..0046064fea1 100644
--- a/gcc/ipa-cp.c
+++ b/gcc/ipa-cp.c
@@ -977,7 +977,12 @@ ipcp_vr_lattice::set_to_bottom ()
 {
   if (m_vr.varying_p ())
     return false;
-  m_vr.set_varying ();
+  /* ?? We create all sorts of VARYING ranges for floats, structures,
+     and other types which we cannot handle as ranges.  We should
+     probably avoid handling them throughout the pass, but it's easier
+     to create a sensible VARYING here and let the lattice
+     propagate.  */
+  m_vr.set_varying (integer_type_node);
   return true;
 }