[JVM_IR] Add String.plus(Any) to intrinsics list.

This filters it out for use in SAM wrapper generation with
invoke-dynamic.

The intrinsic is not actually used for code generation so
it is added to the list of intrinsics that should have been
lowered away before codegen.

^KT-45779 Fixed

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

@@ -21241,6 +21241,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                 runTest("compiler/testData/codegen/box/invokedynamic/sam/intReturnTypeAsNumber.kt");
             }
 
+            @Test
+            @TestMetadata("kt45779.kt")
+            public void testKt45779() throws Exception {
+                runTest("compiler/testData/codegen/box/invokedynamic/sam/kt45779.kt");
+            }
+
             @Test
             @TestMetadata("nullabilityAssertions.kt")
             public void testNullabilityAssertions() throws Exception {

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/intrinsics/IrIntrinsicMethods.kt

@@ -19,10 +19,7 @@ package org.jetbrains.kotlin.backend.jvm.intrinsics
 import org.jetbrains.kotlin.backend.jvm.JvmSymbols
 import org.jetbrains.kotlin.builtins.PrimitiveType
 import org.jetbrains.kotlin.builtins.StandardNames
-import org.jetbrains.kotlin.ir.declarations.IrClass
-import org.jetbrains.kotlin.ir.declarations.IrPackageFragment
-import org.jetbrains.kotlin.ir.declarations.IrTypeParameter
-import org.jetbrains.kotlin.ir.declarations.IrValueParameter
+import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
 import org.jetbrains.kotlin.ir.symbols.IrClassSymbol
 import org.jetbrains.kotlin.ir.symbols.IrClassifierSymbol
@@ -134,6 +131,7 @@ class IrIntrinsicMethods(val irBuiltIns: IrBuiltIns, val symbols: JvmSymbols) {
         } + listOf(
             Key(kotlinFqn, anyFqn, "toString", emptyList()),
             Key(kotlinFqn, null, "arrayOf", listOf(arrayFqn)),
+            Key(stringFqn, null, "plus", listOf(anyFqn)),
         )).map { it to IntrinsicShouldHaveBeenLowered }
 
     private val PrimitiveType.symbol

compiler/testData/codegen/box/invokedynamic/sam/kt45779.kt

@@ -0,0 +1,26 @@
+// TARGET_BACKEND: JVM
+// JVM_TARGET: 1.8
+// SAM_CONVERSIONS: INDY
+// WITH_RUNTIME
+
+// CHECK_BYTECODE_TEXT
+// JVM_IR_TEMPLATES
+// 0 java/lang/invoke/LambdaMetafactory
+
+// FILE: BiFunction.java
+
+public interface BiFunction<T1, T2, R> {
+  R apply(T1 t1, T2 t2);
+}
+
+// FILE: Operators.java
+
+public class Operators {
+    public static <T1, T2, R> R combine(T1 a, T2 b, BiFunction<T1, T2, R> combiner) {
+        return combiner.apply(a, b);
+    }
+}
+
+// FILE: main.kt
+
+fun box() = Operators.combine("O", "K", String::plus)

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

@@ -21211,6 +21211,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                 runTest("compiler/testData/codegen/box/invokedynamic/sam/intReturnTypeAsNumber.kt");
             }
 
+            @Test
+            @TestMetadata("kt45779.kt")
+            public void testKt45779() throws Exception {
+                runTest("compiler/testData/codegen/box/invokedynamic/sam/kt45779.kt");
+            }
+
             @Test
             @TestMetadata("nullabilityAssertions.kt")
             public void testNullabilityAssertions() throws Exception {

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

@@ -21241,6 +21241,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                 runTest("compiler/testData/codegen/box/invokedynamic/sam/intReturnTypeAsNumber.kt");
             }
 
+            @Test
+            @TestMetadata("kt45779.kt")
+            public void testKt45779() throws Exception {
+                runTest("compiler/testData/codegen/box/invokedynamic/sam/kt45779.kt");
+            }
+
             @Test
             @TestMetadata("nullabilityAssertions.kt")
             public void testNullabilityAssertions() throws Exception {

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

@@ -17726,6 +17726,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                 runTest("compiler/testData/codegen/box/invokedynamic/sam/intReturnTypeAsNumber.kt");
             }
 
+            @TestMetadata("kt45779.kt")
+            public void testKt45779() throws Exception {
+                runTest("compiler/testData/codegen/box/invokedynamic/sam/kt45779.kt");
+            }
+
             @TestMetadata("nullabilityAssertions.kt")
             public void testNullabilityAssertions() throws Exception {
                 runTest("compiler/testData/codegen/box/invokedynamic/sam/nullabilityAssertions.kt");