Do not use incorrect import

compiler/frontend/src/org/jetbrains/kotlin/resolve/QualifiedExpressionResolver.kt

@@ -150,9 +150,12 @@ class QualifiedExpressionResolver(val symbolUsageValidator: SymbolUsageValidator
         if (importDirective.isAllUnder) {
             val packageOrClassDescriptor = resolveToPackageOrClass(path, moduleDescriptor, trace, packageFragmentForCheck,
                                                                    scopeForFirstPart = null, position = QualifierPosition.IMPORT) ?: return null
+
             if (packageOrClassDescriptor is ClassDescriptor && packageOrClassDescriptor.kind.isSingleton) {
                 trace.report(Errors.CANNOT_ALL_UNDER_IMPORT_FROM_SINGLETON.on(lastPart.expression, packageOrClassDescriptor)) // todo report on star
+                return null
             }
+
             return AllUnderImportScope(packageOrClassDescriptor)
         }
         else {

compiler/testData/diagnostics/tests/imports/ImportFromCompanionObject.kt

@@ -63,8 +63,8 @@ package b
 import a.C1.<!CANNOT_ALL_UNDER_IMPORT_FROM_SINGLETON!>O<!>.*
 
 fun testErroneusAllUnderImportFromObject() {
-    A()
+    <!UNRESOLVED_REFERENCE!>A<!>()
-    B
+    <!UNRESOLVED_REFERENCE!>B<!>
     <!UNRESOLVED_REFERENCE!>bar<!>()
 }
 

compiler/testData/diagnostics/tests/imports/ImportFromObject.kt

@@ -57,8 +57,8 @@ package b
 import a.<!CANNOT_ALL_UNDER_IMPORT_FROM_SINGLETON!>O<!>.*
 
 fun testErroneusAllUnderImportFromObject() {
-    A()
+    <!UNRESOLVED_REFERENCE!>A<!>()
-    B
+    <!UNRESOLVED_REFERENCE!>B<!>
     <!UNRESOLVED_REFERENCE!>bar<!>()
 }
 

compiler/testData/diagnostics/tests/scopes/kt900-1.kt

@@ -6,7 +6,7 @@ import c.<!CANNOT_ALL_UNDER_IMPORT_FROM_SINGLETON!>M<!>.*
 
 fun foo() {
     val <!UNUSED_VARIABLE!>b<!>: B = B()
-    var <!UNUSED_VARIABLE!>r<!>: R = R()
+    var <!UNUSED_VARIABLE!>r<!>: <!UNRESOLVED_REFERENCE!>R<!> = <!UNRESOLVED_REFERENCE!>R<!>()
 }
 
 class A() {

compiler/testData/diagnostics/tests/scopes/kt900-2.kt

@@ -14,7 +14,7 @@ val y: T = Y
 fun f() {
     bar()
     R.bar()
-    B.foo()
+    <!UNRESOLVED_REFERENCE!>B<!>.<!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>foo<!>()
 }
 
 object M {