Fix for KT-6106: Using platformStatic crashes intellisense (but not Compiler)

#KT-6106 Fixed

compiler/testData/codegen/boxWithStdlib/reflection/genericSignature/kt6106.kt

@@ -0,0 +1,28 @@
+package test
+
+import kotlin.platform.platformStatic
+
+open class B
+
+class A {
+
+    class object {
+        [platformStatic]
+        fun <T: B> a(s: T) : T {
+            return s
+        }
+    }
+}
+
+fun box(): String {
+    val method = javaClass<A>().getDeclaredMethod("a", javaClass<B>())
+    val genericParameterTypes = method.getGenericParameterTypes()
+
+    if (genericParameterTypes.size != 1) return "Wrong number of generic parameters"
+
+    if (genericParameterTypes[0].toString() != "T") return "Wrong parameter type ${genericParameterTypes[0].toString()}"
+
+    if (method.getGenericReturnType().toString() != "T") return "Wrong return type ${method.getGenericReturnType()}"
+
+    return "OK"
+}