Fix reporting errors on properties declared in constructors

compiler/jet.as.java.psi/src/org/jetbrains/jet/asJava/duplicateJvmSignatureUtil.kt

@@ -29,6 +29,8 @@ import org.jetbrains.jet.lang.resolve.java.diagnostics.ConflictingJvmDeclaration
 import org.jetbrains.jet.lang.resolve.java.diagnostics.JvmDeclarationOriginKind.*
 import org.jetbrains.jet.lang.diagnostics.Errors.*
 import org.jetbrains.jet.lang.diagnostics.DiagnosticFactory.*
+import org.jetbrains.jet.lang.psi.JetParameter
+import org.jetbrains.jet.lang.psi.JetClass
 
 public fun getJvmSignatureDiagnostics(element: PsiElement, otherDiagnostics: Diagnostics): Diagnostics? {
     fun doGetDiagnostics(): Diagnostics? {
@@ -36,6 +38,13 @@ public fun getJvmSignatureDiagnostics(element: PsiElement, otherDiagnostics: Dia
         if (element is JetPropertyAccessor) {
             parent = parent?.getParent()
         }
+        if (element is JetParameter && element.getValOrVarNode() != null) {
+            // property declared in constructor
+            val parentClass = parent?.getParent() as? JetClass
+            if (parentClass != null) {
+                return getDiagnosticsForNonLocalClass(parentClass)
+            }
+        }
 
         if (parent is JetFile) {
             if (element is JetClassOrObject) {

compiler/testData/diagnostics/tests/duplicateJvmSignature/functionAndProperty/classPropertyInConstructor.kt

@@ -0,0 +1,3 @@
+class C(<!CONFLICTING_JVM_DECLARATIONS!>val x: Int<!>) {
+    <!CONFLICTING_JVM_DECLARATIONS!>fun getX()<!> = 1
+}

compiler/tests/org/jetbrains/jet/checkers/JetDiagnosticsTestGenerated.java

@@ -2719,6 +2719,11 @@ public class JetDiagnosticsTestGenerated extends AbstractJetDiagnosticsTest {
                     doTest("compiler/testData/diagnostics/tests/duplicateJvmSignature/functionAndProperty/classObject.kt");
                 }
                 
+                @TestMetadata("classPropertyInConstructor.kt")
+                public void testClassPropertyInConstructor() throws Exception {
+                    doTest("compiler/testData/diagnostics/tests/duplicateJvmSignature/functionAndProperty/classPropertyInConstructor.kt");
+                }
+                
                 @TestMetadata("extensionFunctionAndNormalFunction.kt")
                 public void testExtensionFunctionAndNormalFunction() throws Exception {
                     doTest("compiler/testData/diagnostics/tests/duplicateJvmSignature/functionAndProperty/extensionFunctionAndNormalFunction.kt");