Fix reference resolution on suspension calls

compiler/resolution/src/org/jetbrains/kotlin/resolve/coroutine/coroutineUtil.kt

@@ -40,6 +40,7 @@ fun SimpleFunctionDescriptor.createCoroutineSuspensionFunctionView(): SimpleFunc
         setOriginal(newOriginal)
         setValueParameters(valueParameters.subList(0, valueParameters.size - 1))
         setSignatureChange()
+        setPreserveSourceElement()
         putUserData(SUSPENSION_POINT_KEY, true)
     }.build()!!
 }

idea/testData/resolve/references/CoroutineSuspensionPoint.kt

@@ -0,0 +1,16 @@
+class Controller {
+    suspend fun suspendHere(x: Continuation<Unit>) {
+    }
+}
+
+fun builder(coroutine c: Controller.() -> Continuation<Unit>) {
+
+}
+
+fun foo() {
+    builder {
+        <caret>suspendHere()
+    }
+}
+
+// REF: (in Controller).suspendHere(Continuation<Unit>)

idea/tests/org/jetbrains/kotlin/idea/resolve/ReferenceResolveTestGenerated.java

@@ -107,6 +107,12 @@ public class ReferenceResolveTestGenerated extends AbstractReferenceResolveTest
         doTest(fileName);
     }
 
+    @TestMetadata("CoroutineSuspensionPoint.kt")
+    public void testCoroutineSuspensionPoint() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("idea/testData/resolve/references/CoroutineSuspensionPoint.kt");
+        doTest(fileName);
+    }
+
     @TestMetadata("CtrlClickResolve.kt")
     public void testCtrlClickResolve() throws Exception {
         String fileName = KotlinTestUtils.navigationMetadata("idea/testData/resolve/references/CtrlClickResolve.kt");