Cherry-pick dlang/dmd#21361

kinke · kinke · commit 289d365df843 · 2025-06-04T20:06:27.000+02:00
diff --git a/dmd/typesem.d b/dmd/typesem.d
@@ -7330,7 +7330,7 @@ Type substWildTo(Type type, uint mod)
             t = t.addMod(MODFlags.shared_);
 
         //printf("-Type.substWildTo t = %s\n", t.toChars());
-        return t;
+        return t.merge();
     }
 
     if (!tf.iswild && !(tf.mod & MODFlags.wild))

Original file line number	Diff line number	Diff line change
`@@ -7330,7 +7330,7 @@ Type substWildTo(Type type, uint mod)`
`7330`	`7330`	`t = t.addMod(MODFlags.shared_);`
`7331`	`7331`
`7332`	`7332`	`//printf("-Type.substWildTo t = %s\n", t.toChars());`
`7333`		`- return t;`
	`7333`	`+ return t.merge();`
`7334`	`7334`	`}`
`7335`	`7335`
`7336`	`7336`	`if (!tf.iswild && !(tf.mod & MODFlags.wild))`