TEMP: Reproduction of crasher of invalid case in splat eval

hclsyntax/expression_test.go

@@ -1387,6 +1387,50 @@ upper(
 			cty.DynamicVal,
 			1, // splat cannot be applied to null sequence
 		},
+		{
+			`listofobj[*].scalar[*]`,
+			&hcl.EvalContext{
+				Variables: map[string]cty.Value{
+					"listofobj": cty.ListVal([]cty.Value{
+						cty.ObjectVal(map[string]cty.Value{
+							"scalar": cty.StringVal("foo"),
+						}),
+						cty.ObjectVal(map[string]cty.Value{
+							"scalar": cty.StringVal("bar"),
+						}),
+					}),
+				},
+			},
+			cty.ListVal([]cty.Value{
+				// The second-level splat promotes the scalars to single-element tuples.
+				cty.TupleVal([]cty.Value{cty.StringVal("foo")}),
+				cty.TupleVal([]cty.Value{cty.StringVal("bar")}),
+			}),
+			0, // splat cannot be applied to null sequence
+		},
+		{
+			`listofobj[*].scalar[*]`,
+			&hcl.EvalContext{
+				Variables: map[string]cty.Value{
+					"listofobj": cty.ListVal([]cty.Value{
+						cty.ObjectVal(map[string]cty.Value{
+							"scalar": cty.NullVal(cty.String),
+						}),
+						cty.ObjectVal(map[string]cty.Value{
+							"scalar": cty.StringVal("bar"),
+						}),
+					}),
+				},
+			},
+			cty.ListVal([]cty.Value{
+				// FIXME: The expected result of this is actually impossible because
+				// a list can't contain both an empty tuple and a single-element tuple
+				// at the same time. Therefore this actually panics.
+				cty.EmptyTupleVal,
+				cty.TupleVal([]cty.Value{cty.StringVal("bar")}),
+			}),
+			0, // splat cannot be applied to null sequence
+		},
 		{
 			`["hello", "goodbye"].*`,
 			nil,