[FIR TEST] Add test on qualifier resolve priority (corner case)

compiler/fir/resolve/testData/resolveWithStdlib/problems/invokePriority.kt

@@ -29,6 +29,6 @@ class E {
 }
 
 fun main() {
-    E.f() // Resolves to (2)
+    E.f() // Resolves to (2) in old FE (to (1) in FIR with object implicit invoke support)
     E.f.invoke() // Resolves to (1)
 }

compiler/fir/resolve/testData/resolveWithStdlib/problems/qualifierPriority.kt

@@ -0,0 +1,27 @@
+class AHolder(val a: Int)
+
+class F {
+    object foo { // (1)
+        val a: Int = 42
+    }
+    companion object { // (2)
+        val foo: AHolder = AHolder(52)
+    }
+}
+class FF {
+    object foo {} // (1)
+    companion object { // (2)
+        val foo: AHolder = AHolder(52)
+    }
+}
+
+fun main() {
+    F.foo.a // (1) everywhere
+    F.foo // (2) in old FE, (1) in FIR
+    // Why companion?
+    with(F.foo) {
+        a // (2) in old FE, (1) in FIR
+    }
+    FF.foo.<!UNRESOLVED_REFERENCE!>a<!> // (1) everywhere
+    // Why not companion
+}

compiler/fir/resolve/testData/resolveWithStdlib/problems/qualifierPriority.txt

@@ -0,0 +1,68 @@
+FILE: qualifierPriority.kt
+    public final class AHolder : R|kotlin/Any| {
+        public constructor(a: R|kotlin/Int|): R|AHolder| {
+            super<R|kotlin/Any|>()
+        }
+
+        public final val a: R|kotlin/Int| = R|<local>/a|
+            public get(): R|kotlin/Int|
+
+    }
+    public final class F : R|kotlin/Any| {
+        public constructor(): R|F| {
+            super<R|kotlin/Any|>()
+        }
+
+        public final object foo : R|kotlin/Any| {
+            private constructor(): R|F.foo| {
+                super<R|kotlin/Any|>()
+            }
+
+            public final val a: R|kotlin/Int| = Int(42)
+                public get(): R|kotlin/Int|
+
+        }
+
+        public final companion object Companion : R|kotlin/Any| {
+            private constructor(): R|F.Companion| {
+                super<R|kotlin/Any|>()
+            }
+
+            public final val foo: R|AHolder| = R|/AHolder.AHolder|(Int(52))
+                public get(): R|AHolder|
+
+        }
+
+    }
+    public final class FF : R|kotlin/Any| {
+        public constructor(): R|FF| {
+            super<R|kotlin/Any|>()
+        }
+
+        public final object foo : R|kotlin/Any| {
+            private constructor(): R|FF.foo| {
+                super<R|kotlin/Any|>()
+            }
+
+        }
+
+        public final companion object Companion : R|kotlin/Any| {
+            private constructor(): R|FF.Companion| {
+                super<R|kotlin/Any|>()
+            }
+
+            public final val foo: R|AHolder| = R|/AHolder.AHolder|(Int(52))
+                public get(): R|AHolder|
+
+        }
+
+    }
+    public final fun main(): R|kotlin/Unit| {
+        Q|F.foo|.R|/F.foo.a|
+        Q|F.foo|
+        R|kotlin/with|<R|F.foo|, R|kotlin/Int|>(Q|F.foo|, <L> = with@fun R|F.foo|.<anonymous>(): R|kotlin/Int| <kind=EXACTLY_ONCE>  {
+            ^ this@R|special/anonymous|.R|/F.foo.a|
+        }
+        )
+        Q|FF.foo|.<Unresolved name: a>#
+    }

compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirDiagnosticsWithStdlibTestGenerated.java

@@ -685,6 +685,11 @@ public class FirDiagnosticsWithStdlibTestGenerated extends AbstractFirDiagnostic
             runTest("compiler/fir/resolve/testData/resolveWithStdlib/problems/KJKComplexHierarchyNestedLoop.kt");
         }
 
+        @TestMetadata("qualifierPriority.kt")
+        public void testQualifierPriority() throws Exception {
+            runTest("compiler/fir/resolve/testData/resolveWithStdlib/problems/qualifierPriority.kt");
+        }
+
         @TestMetadata("weakHashMap.kt")
         public void testWeakHashMap() throws Exception {
             runTest("compiler/fir/resolve/testData/resolveWithStdlib/problems/weakHashMap.kt");