FIR: make (K)SuspendFunctionX derived from (K)Function

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/impl/FirBuiltinSymbolProvider.kt

@@ -235,7 +235,10 @@ class FirBuiltinSymbolProvider(val session: FirSession, val kotlinScopeProvider:
                             )
 
                             FunctionClassDescriptor.Kind.SuspendFunction -> listOf(
-                                session.builtinTypes.anyType
+                                buildResolvedTypeRef {
+                                    type = ConeClassLikeLookupTagImpl(StandardClassIds.Function)
+                                        .constructClassType(arrayOf(typeArguments.last().type), isNullable = false)
+                                }
                             )
 
                             FunctionClassDescriptor.Kind.KFunction -> listOf(
@@ -247,6 +250,10 @@ class FirBuiltinSymbolProvider(val session: FirSession, val kotlinScopeProvider:
                             )
 
                             FunctionClassDescriptor.Kind.KSuspendFunction -> listOf(
+                                buildResolvedTypeRef {
+                                    type = ConeClassLikeLookupTagImpl(StandardClassIds.KFunction)
+                                        .constructClassType(arrayOf(typeArguments.last().type), isNullable = false)
+                                },
                                 createSuperType(FunctionClassDescriptor.Kind.SuspendFunction)
                             )
                         }

compiler/testData/codegen/box/coroutines/featureIntersection/callableReference/function/getArityViaFunctionImpl.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 // IGNORE_LIGHT_ANALYSIS
 // WITH_RUNTIME

compiler/testData/codegen/box/coroutines/reflect/bigArity.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // TARGET_BACKEND: JVM
 // WITH_REFLECT
 // WITH_COROUTINES

compiler/testData/codegen/box/coroutines/reflect/callSuspend.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_COROUTINES
 // WITH_REFLECT
 // TARGET_BACKEND: JVM

compiler/testData/codegen/box/coroutines/reflect/callSuspendBy.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND_FIR: JVM_IR
 // WITH_COROUTINES
 // WITH_REFLECT
 // TARGET_BACKEND: JVM