[FIR2IR] Properly handle callable references to static functions

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/AdapterGenerator.kt

@@ -292,7 +292,7 @@ internal class AdapterGenerator(
                 boundDispatchReceiver != null -> irCall.dispatchReceiver = receiverValue
                 boundExtensionReceiver != null -> irCall.extensionReceiver = receiverValue
             }
-        } else if (callableReferenceAccess.explicitReceiver is FirResolvedQualifier) {
+        } else if (callableReferenceAccess.explicitReceiver is FirResolvedQualifier && ((firAdaptee as? FirMemberDeclaration)?.isStatic != true)) {
             // Unbound callable reference 'A::foo'
             val adaptedReceiverParameter = adapterFunction.valueParameters[0]
             val adaptedReceiverValue = IrGetValueImpl(

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java

@@ -15098,6 +15098,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
             KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/fir"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
         }
 
+        @Test
+        @TestMetadata("callableReferenceToStaticFunction.kt")
+        public void testCallableReferenceToStaticFunction() throws Exception {
+            runTest("compiler/testData/codegen/box/fir/callableReferenceToStaticFunction.kt");
+        }
+
         @Test
         @TestMetadata("ClassBuilder.kt")
         public void testClassBuilder() throws Exception {

compiler/testData/codegen/box/fir/callableReferenceToStaticFunction.kt

@@ -0,0 +1,12 @@
+// TARGET_BACKEND: JVM_IR
+// FULL_JDK
+// WITH_STDLIB
+
+import java.nio.file.Files
+import java.nio.file.Path
+
+fun test(path: Path): Path? {
+    return path.takeIf(Files::exists)
+}
+
+fun box() = "OK"

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java

@@ -15098,6 +15098,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/codegen/box/fir"), Pattern.compile("^(.+)\\.kt$"), null, TargetBackend.JVM_IR, true);
         }
 
+        @Test
+        @TestMetadata("callableReferenceToStaticFunction.kt")
+        public void testCallableReferenceToStaticFunction() throws Exception {
+            runTest("compiler/testData/codegen/box/fir/callableReferenceToStaticFunction.kt");
+        }
+
         @Test
         @TestMetadata("ClassBuilder.kt")
         public void testClassBuilder() throws Exception {