JVM_IR KT-45779 don't generate intrinsic method refs via invokedynamic

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

@@ -21028,6 +21028,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                     runTest("compiler/testData/codegen/box/invokedynamic/sam/functionRefToJavaInterface/innerConstructorRef.kt");
                 }
 
+                @Test
+                @TestMetadata("intPlus.kt")
+                public void testIntPlus() throws Exception {
+                    runTest("compiler/testData/codegen/box/invokedynamic/sam/functionRefToJavaInterface/intPlus.kt");
+                }
+
                 @Test
                 @TestMetadata("intReturnTypeAsNumber.kt")
                 public void testIntReturnTypeAsNumber() throws Exception {

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/indy/LambdaMetafactoryArguments.kt

@@ -72,6 +72,10 @@ internal class LambdaMetafactoryArgumentsBuilder(
 
         val implFun = reference.symbol.owner
 
+        // Don't generate references to intrinsic functions as invokedynamic (no such method exists at run-time).
+        if (context.irIntrinsics.getIntrinsic(implFun.symbol) != null)
+            return null
+
         if (implFun is IrConstructor && implFun.visibility.isPrivate) {
             // Kotlin generates constructor accessors differently from Java.
             // TODO more precise accessibility check (see SyntheticAccessorLowering::isAccessible)

compiler/testData/codegen/box/invokedynamic/sam/functionRefToJavaInterface/intPlus.kt

@@ -0,0 +1,14 @@
+// TARGET_BACKEND: JVM
+// IGNORE_BACKEND: ANDROID
+//  ^ uses API not implemented on minSdkVersion 19
+// WITH_RUNTIME
+// JVM_TARGET: 1.8
+// FULL_JDK
+
+fun box(): String {
+    val map = HashMap<String, Int>()
+    map["a"] = 1
+    map.merge("a", 2, Int::plus)
+    val t = map["a"]
+    return if (t == 3) "OK" else "failed: t=$t"
+}

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

@@ -21004,6 +21004,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                     runTest("compiler/testData/codegen/box/invokedynamic/sam/functionRefToJavaInterface/innerConstructorRef.kt");
                 }
 
+                @Test
+                @TestMetadata("intPlus.kt")
+                public void testIntPlus() throws Exception {
+                    runTest("compiler/testData/codegen/box/invokedynamic/sam/functionRefToJavaInterface/intPlus.kt");
+                }
+
                 @Test
                 @TestMetadata("intReturnTypeAsNumber.kt")
                 public void testIntReturnTypeAsNumber() throws Exception {

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

@@ -21028,6 +21028,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                     runTest("compiler/testData/codegen/box/invokedynamic/sam/functionRefToJavaInterface/innerConstructorRef.kt");
                 }
 
+                @Test
+                @TestMetadata("intPlus.kt")
+                public void testIntPlus() throws Exception {
+                    runTest("compiler/testData/codegen/box/invokedynamic/sam/functionRefToJavaInterface/intPlus.kt");
+                }
+
                 @Test
                 @TestMetadata("intReturnTypeAsNumber.kt")
                 public void testIntReturnTypeAsNumber() throws Exception {

compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java

@@ -17563,6 +17563,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                     runTest("compiler/testData/codegen/box/invokedynamic/sam/functionRefToJavaInterface/innerConstructorRef.kt");
                 }
 
+                @TestMetadata("intPlus.kt")
+                public void testIntPlus() throws Exception {
+                    runTest("compiler/testData/codegen/box/invokedynamic/sam/functionRefToJavaInterface/intPlus.kt");
+                }
+
                 @TestMetadata("intReturnTypeAsNumber.kt")
                 public void testIntReturnTypeAsNumber() throws Exception {
                     runTest("compiler/testData/codegen/box/invokedynamic/sam/functionRefToJavaInterface/intReturnTypeAsNumber.kt");