[Bug tree-optimization/51481] [4.7 Regression] ice: dead STMT in EH table

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51481

--- Comment #8 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-12-13 
11:24:44 UTC ---
The following is a real fix I'm going to test.

@@ -1601,6 +1605,7 @@ replace_uses_by (tree name, tree val)
       if (gimple_code (stmt) != GIMPLE_PHI)
        {
          gimple_stmt_iterator gsi = gsi_for_stmt (stmt);
+         gimple orig_stmt = stmt;
          size_t i;

          fold_stmt (&gsi);
@@ -1619,7 +1624,7 @@ replace_uses_by (tree name, tree val)
                recompute_tree_invariant_for_addr_expr (op);
            }

-         maybe_clean_or_replace_eh_stmt (stmt, stmt);
+         maybe_clean_or_replace_eh_stmt (orig_stmt, stmt);
          update_stmt (stmt);
        }
     }