added test

openmdao/core/tests/test_auto_ivc.py

@@ -311,3 +311,47 @@ def configure(self):
 
         prob.setup()
         prob.run_model()
+
+    def test_src_inds_2_subs(self):
+        # this test passes if it doesn't raise an exception.
+
+        class RHS(om.Group):
+
+            def initialize(self):
+                self.options.declare('size', 1)
+
+            def setup(self):
+                size = self.options['size']
+                self.add_subsystem('comp1', om.ExecComp(['y1=x*2'], y1=np.ones(size), x=np.ones(size)),
+                                promotes_inputs=['*'], promotes_outputs=['*'])
+
+                # Works if you comment out this comp.
+                self.add_subsystem('comp2', om.ExecComp(['y2=x*2'], y2=np.ones(size), x=np.ones(size)),
+                                promotes_inputs=['*'], promotes_outputs=['*'])
+
+
+        class Phase(om.Group):
+            def setup(self):
+                self.add_subsystem('rhs', RHS(size=4))
+
+            def configure(self):
+                self.promotes('rhs', inputs=[('x', 'design:x')],
+                            src_indices=[0, 0, 0, 0], flat_src_indices=True)
+
+                self.set_input_defaults('design:x', 75.3)
+
+
+        class Traj(om.Group):
+            def setup(self):
+                self.add_subsystem('src', om.ExecComp(['q = b*3']))
+
+                self.add_subsystem('phase', Phase())
+
+                self.connect('src.q', 'phase.design:x')
+
+
+        prob = om.Problem(model=Traj())
+
+        prob.setup()
+
+        prob.run_model()