1 /*
2 TEST_OUTPUT:
3 ---
4 fail_compilation/fail11445.d(11): Error: incompatible types for ((a) + (b)): 'double[string]' and 'double[string]'
5 ---
6 */
7 
main()8 void main() {
9   double[string] a = [ "foo" : 22.2 ];
10   double[string] b = [ "bar" : 22.2 ];
11   auto c = a + b;
12 }
13