Don't report the same diagnsotics several times

compiler/testData/diagnostics/testsWithStdLib/resolve/kt4711.kt

@@ -1,3 +1,4 @@
+// !WITH_NEW_INFERENCE
 //KT-4711 Error type with no error reported from type inference
 
 fun main() {
@@ -6,15 +7,15 @@ fun main() {
     val startTimeNanos = System.nanoTime()
 
     // the problem sits on the next line:
-    val pi = 4.0.toDouble() * delta * (1..n).reduce(
+    val pi = 4.0.toDouble() * delta <!OVERLOAD_RESOLUTION_AMBIGUITY{OI}!>*<!> (1..n).<!TYPE_INFERENCE_CONFLICTING_SUBSTITUTIONS{OI}!>reduce<!>(
             {t, i ->
                 val x = (i - 0.5) * delta
-                <!TYPE_MISMATCH, TYPE_MISMATCH, TYPE_MISMATCH!>t + 1.0 / (1.0 + x * x)<!>
+                <!TYPE_MISMATCH{NI}, TYPE_MISMATCH{NI}!>t + 1.0 / (1.0 + x * x)<!>
 
             })
     // !!! pi has error type here
 
     val elapseTime = (System.nanoTime() - startTimeNanos) / 1e9
 
-    println("pi_sequential_reduce $pi $n $elapseTime")
+    println("pi_sequential_reduce $<!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE{OI}!>pi<!> $n $elapseTime")
 }