[IR] Correct line number on suspend function with implicit unit return

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

@@ -39,7 +39,7 @@ private class TailCallOptimizationLowering(private val context: JvmBackendContex
             override fun visitCall(expression: IrCall, data: TailCallOptimizationData?): IrExpression {
                 val transformed = super.visitCall(expression, data) as IrExpression
                 return if (data == null || expression !in data.tailCalls) transformed else IrReturnImpl(
-                    expression.startOffset, expression.endOffset, context.irBuiltIns.nothingType, data.function.symbol,
+                    data.function.endOffset, data.function.endOffset, context.irBuiltIns.nothingType, data.function.symbol,
                     if (data.returnsUnit) transformed.coerceToUnit() else transformed
                 )
             }

compiler/testData/debug/stepping/suspendFunWithLambdaParameter.kt

@@ -0,0 +1,19 @@
+// WITH_COROUTINES
+// FILE: test.kt
+suspend fun foo(block: Long.() -> String): String {
+    return 1L.block()
+}
+
+suspend fun box() {
+    foo {
+        "OK"
+    }
+}
+
+// LINENUMBERS
+// test.kt:8 box
+// test.kt:4 foo
+// test.kt:9 invoke
+// test.kt:4 foo
+// test.kt:8 box
+// test.kt:11 box

compiler/testData/debug/stepping/suspendFunWithSuspendLambdaParameter.kt

@@ -0,0 +1,25 @@
+// WITH_COROUTINES
+// FILE: test.kt
+suspend fun foo(block: suspend Long.() -> String): String {
+    return 1L.block()
+}
+
+suspend fun box() {
+    foo {
+        "OK"
+    }
+}
+
+// LINENUMBERS
+// test.kt:8 box
+// test.kt:4 foo
+// CoroutineUtil.kt:28 getContext
+// test.kt:-1 <init>
+// test.kt:-1 create
+// test.kt:-1 invoke
+// test.kt:8 invokeSuspend
+// test.kt:9 invokeSuspend
+// test.kt:-1 invoke
+// test.kt:4 foo
+// test.kt:8 box
+// test.kt:11 box

compiler/tests/org/jetbrains/kotlin/codegen/debugInformation/IrSteppingTestGenerated.java

@@ -379,6 +379,18 @@ public class IrSteppingTestGenerated extends AbstractIrSteppingTest {
         runTest("compiler/testData/debug/stepping/stringSwitchesSmall.kt");
     }
 
+    @Test
+    @TestMetadata("suspendFunWithLambdaParameter.kt")
+    public void testSuspendFunWithLambdaParameter() throws Exception {
+        runTest("compiler/testData/debug/stepping/suspendFunWithLambdaParameter.kt");
+    }
+
+    @Test
+    @TestMetadata("suspendFunWithSuspendLambdaParameter.kt")
+    public void testSuspendFunWithSuspendLambdaParameter() throws Exception {
+        runTest("compiler/testData/debug/stepping/suspendFunWithSuspendLambdaParameter.kt");
+    }
+
     @Test
     @TestMetadata("throwException.kt")
     public void testThrowException() throws Exception {

compiler/tests/org/jetbrains/kotlin/codegen/debugInformation/SteppingTestGenerated.java

@@ -379,6 +379,18 @@ public class SteppingTestGenerated extends AbstractSteppingTest {
         runTest("compiler/testData/debug/stepping/stringSwitchesSmall.kt");
     }
 
+    @Test
+    @TestMetadata("suspendFunWithLambdaParameter.kt")
+    public void testSuspendFunWithLambdaParameter() throws Exception {
+        runTest("compiler/testData/debug/stepping/suspendFunWithLambdaParameter.kt");
+    }
+
+    @Test
+    @TestMetadata("suspendFunWithSuspendLambdaParameter.kt")
+    public void testSuspendFunWithSuspendLambdaParameter() throws Exception {
+        runTest("compiler/testData/debug/stepping/suspendFunWithSuspendLambdaParameter.kt");
+    }
+
     @Test
     @TestMetadata("throwException.kt")
     public void testThrowException() throws Exception {