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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/58978] [4.9 Regression] ICE: Segmentation fault
Date: Mon, 04 Nov 2013 09:04:00 -0000
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X-Bugzilla-Component: tree-optimization
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58978

--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Thus, hopefully:
--- a/gcc/tree-vrp.c
+++ b/gcc/tree-vrp.c
@@ -6479,8 +6479,9 @@ all_imm_uses_in_stmt_or_feed_cond (tree var, gimple stmt,
basic_blo
               && single_imm_use (gimple_assign_lhs (use_stmt),
                                  &use2_p, &use_stmt))
          ;
-       if (gimple_code (use_stmt) != GIMPLE_COND
-           || gimple_bb (use_stmt) != cond_bb)
+       if (use_stmt
+           && (gimple_code (use_stmt) != GIMPLE_COND
+               || gimple_bb (use_stmt) != cond_bb))
          return false;
       }
   return true;