Control-Flow: Compute type predicates for arguments of unresolved calls

compiler/testData/cfg/expressions/unresolvedCalls.values

@@ -0,0 +1,31 @@
+== foo ==
+fun foo(i: Int) {}
+---------------------
+    <v0>: Int   NEW: magic[FAKE_INITIALIZER](i: Int) -> <v0>
+=====================
+== foo ==
+fun foo(a: IntArray) {}
+---------------------
+    <v0>: IntArray   NEW: magic[FAKE_INITIALIZER](a: IntArray) -> <v0>
+=====================
+== foo ==
+fun foo(a: String, b: Int) {}
+---------------------
+    <v0>: String   NEW: magic[FAKE_INITIALIZER](a: String) -> <v0>
+    <v1>: Int      NEW: magic[FAKE_INITIALIZER](b: Int) -> <v1>
+=====================
+== foo ==
+fun foo() {}
+---------------------
+=====================
+== test ==
+fun test() {
+    foo(bar())
+}
+---------------------
+foo              !<v2>: *
+bar              !<v0>: *
+bar()            <v1>: OR{{<: IntArray}, {<: Int}}   NEW: magic[UNRESOLVED_CALL](bar()|!<v0>) -> <v1>
+foo(bar())       <v3>: *                             NEW: magic[UNRESOLVED_CALL](foo(bar())|<v1>, !<v2>) -> <v3>
+{ foo(bar()) }   <v3>: *                             COPY
+=====================