Update test case

compiler/test/runnable/imports/test23722b.d

@@ -1,14 +1,6 @@
-struct A {
-    import core.stdc.stdio;
-    alias x = () {
-        printf("x\n");
-    };
-    alias y = () {
-        printf("y\n");
-    };
+auto f(string s, alias g)() {
+    return true;
 }
 
-// do_x should call A.x (and print "x")
-void do_x() {
-    A.x();
-}
+alias a = f!("a", output => output);
+alias b = f!("b", output => true);

compiler/test/runnable/test23722.d

@@ -5,12 +5,8 @@
 // Lambdas are mangled incorrectly when using multiple compilation units, resulting in incorrect code
 import imports.test23722b;
 
-// do_y should call A.y (and print "y")
-void do_y() {
-    A.y();
+bool f() {
+    return b;
 }
 
-extern (C) void main() {
-    do_y(); // should print y
-    do_x(); // should print x
-}
+void main() {}