FIR: introduce ILLEGAL_SUSPEND_FUNCTION_CALL & PROPERTY_ACCESS diagnostics

compiler/testData/diagnostics/tests/suspendConversion/overloadResolutionBySuspendModifier.fir.kt

@@ -1,19 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER
-
-fun foo(x: () -> Int) {}
-fun foo(x: suspend () -> Int) {}
-
-fun usualCall(): Int = 42
-suspend fun suspendCall(): Int = 42
-
-// it's important to have ambiguity in these cases to introduce overload resolution by suspend modifier in future
-fun test1() {
-    <!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!> { usualCall() }
-    <!OVERLOAD_RESOLUTION_AMBIGUITY!>foo<!> { suspendCall() }
-}
-
-// candidate without suspend conversions is more specific
-fun test2(f: () -> Int, g: suspend () -> Int) {
-    foo(f)
-    foo(g)
-}

compiler/testData/diagnostics/tests/suspendConversion/overloadResolutionBySuspendModifier.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 
 fun foo(x: () -> Int) {}