fix issue 19112 - Associative array opIn with static array key fails …

…with dynamic array

src/dmd/expressionsem.d

@@ -8923,7 +8923,7 @@ private extern (C++) final class ExpressionSemanticVisitor : Visitor
                 TypeAArray ta = cast(TypeAArray)t2b;
 
                 // Special handling for array keys
-                if (!arrayTypeCompatible(exp.e1.loc, exp.e1.type, ta.index))
+                if (!arrayTypeCompatibleWithoutCasting(exp.e1.type, ta.index))
                 {
                     // Convert key to type of key
                     exp.e1 = exp.e1.implicitCastTo(sc, ta.index);

test/fail_compilation/test19112.d

@@ -0,0 +1,16 @@
+/* TEST_OUTPUT:
+---
+fail_compilation/test19112.d(13): Error: cannot implicitly convert expression `[123, 456]` of type `int[]` to `int[1]`
+fail_compilation/test19112.d(15): Error: cannot implicitly convert expression `a` of type `int[]` to `int[1]`
+---
+*/
+
+// https://issues.dlang.org/show_bug.cgi?id=19112
+
+void main()
+{
+    int[int[1]] aa;
+    int* p = [123, 456] in aa;
+    int[] a;
+    p = a in aa;
+}

test/runnable/testaa.d

@@ -1328,6 +1328,20 @@ void test14321()
     assert(Bar.op == "d");
 }
 
+/************************************************/
+// 19112
+
+void test19112()
+{
+    int[int[1]] aa;
+    aa[[2]] = 1;
+    assert([2] in aa);
+
+    int[int[]] aa2 = [[1, 2, 3]: 4];
+    int[3] k = [1, 2, 3];
+    assert(*(k in aa2) == 4);
+}
+
 /************************************************/
 
 int main()
@@ -1379,6 +1393,7 @@ int main()
     test11730();
     test14089();
     test14321();
+    test19112();
 
     printf("Success\n");
     return 0;