fix use after move

AliveToolkit · May 3, 2021 · 7c99a7f · 7c99a7f
1 parent 77f4261
commit 7c99a7f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/util/parallel.cpp b/util/parallel.cpp
@@ -225,7 +225,8 @@ bool parallel::emitOutput() {
          */
         stringstream new_ss;
         new_ss << line << '\n';
-        new_ss << move(parent_ss).str().substr(parent_ss.tellg());
+        auto cur = parent_ss.tellg();
+        new_ss << move(parent_ss).str().substr(cur);
         parent_ss.swap(new_ss);
         return false;
       }