* src/tgbaalgos/closure.cc: Fix invalid read.

0beb148b · Alexandre Duret-Lutz · ad3ea61a · 0beb148b
Commit 0beb148b authored Nov 23, 2014 by Alexandre Duret-Lutz
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src/tgbaalgos/closure.cc src/tgbaalgos/closure.cc +5 -3

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--- a/src/tgbaalgos/closure.cc
+++ b/src/tgbaalgos/closure.cc
@@ -71,9 +71,11 @@ namespace spot
                      }
                    if (need_new_trans)
                      {
-                        unsigned i =
-                          a->new_transition(state, t2.dst, cond, acc);
-                        dst2trans[t2.dst].push_back(i);
+			// Load t2.dst first, because t2 can be
+			// invalidated by new_transition().
+			auto dst = t2.dst;
+                        auto i = a->new_transition(state, dst, cond, acc);
+                        dst2trans[dst].push_back(i);
                        todo.push_back(i);
                      }
 		  }