FIR: resolve conflicts between overloads with platform integer types

compiler/fir/analysis-tests/legacy-fir-tests/tests-gen/org/jetbrains/kotlin/fir/LazyBodyIsNotTouchedTilContractsPhaseTestGenerated.java

@@ -561,6 +561,11 @@ public class LazyBodyIsNotTouchedTilContractsPhaseTestGenerated extends Abstract
             runTest("compiler/fir/analysis-tests/testData/resolve/arguments/integerLiteralTypes.kt");
         }
 
+        @TestMetadata("integerOverloads.kt")
+        public void testIntegerOverloads() throws Exception {
+            runTest("compiler/fir/analysis-tests/testData/resolve/arguments/integerOverloads.kt");
+        }
+
         @TestMetadata("invoke.kt")
         public void testInvoke() throws Exception {
             runTest("compiler/fir/analysis-tests/testData/resolve/arguments/invoke.kt");

compiler/fir/analysis-tests/testData/resolve/arguments/integerOverloads.fir.txt

@@ -0,0 +1,21 @@
+FILE: x.kt
+    public final fun f(x: R|kotlin/Byte|): R|kotlin/Unit| {
+    }
+    public final fun f(x: R|kotlin/Int|): R|kotlin/Unit| {
+    }
+    public final fun f(x: R|kotlin/Long|): R|kotlin/Unit| {
+    }
+    public final fun g(x: R|kotlin/Byte?|): R|kotlin/Unit| {
+    }
+    public final fun g(x: R|kotlin/Int?|): R|kotlin/Unit| {
+    }
+    public final fun g(x: R|kotlin/Long?|): R|kotlin/Unit| {
+    }
+    public final fun main(): R|kotlin/Unit| {
+        Q|J|.R|/J.f|(Int(123))
+        Q|J|.R|/J.f|(Long(123123123123))
+        R|/f|(Int(123))
+        R|/f|(Long(123123123123))
+        R|/g|(Int(123))
+        R|/g|(Long(123123123123))
+    }

compiler/fir/analysis-tests/testData/resolve/arguments/integerOverloads.kt

@@ -0,0 +1,24 @@
+// FILE: J.java
+public class J {
+    public static fun f(Byte x) {}
+    public static fun f(Integer x) {}
+    public static fun f(Long x) {}
+}
+
+// FILE: x.kt
+fun f(x: Byte) {}
+fun f(x: Int) {}
+fun f(x: Long) {}
+
+fun g(x: Byte?) {}
+fun g(x: Int?) {}
+fun g(x: Long?) {}
+
+fun main() {
+    J.f(123)
+    J.f(123123123123)
+    f(123)
+    f(123123123123)
+    g(123)
+    g(123123123123)
+}

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirDiagnosticTestGenerated.java

@@ -659,6 +659,12 @@ public class FirDiagnosticTestGenerated extends AbstractFirDiagnosticTest {
                 runTest("compiler/fir/analysis-tests/testData/resolve/arguments/integerLiteralTypes.kt");
             }
 
+            @Test
+            @TestMetadata("integerOverloads.kt")
+            public void testIntegerOverloads() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolve/arguments/integerOverloads.kt");
+            }
+
             @Test
             @TestMetadata("invoke.kt")
             public void testInvoke() throws Exception {

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirDiagnosticsWithLightTreeTestGenerated.java

@@ -659,6 +659,12 @@ public class FirDiagnosticsWithLightTreeTestGenerated extends AbstractFirDiagnos
                 runTest("compiler/fir/analysis-tests/testData/resolve/arguments/integerLiteralTypes.kt");
             }
 
+            @Test
+            @TestMetadata("integerOverloads.kt")
+            public void testIntegerOverloads() throws Exception {
+                runTest("compiler/fir/analysis-tests/testData/resolve/arguments/integerOverloads.kt");
+            }
+
             @Test
             @TestMetadata("invoke.kt")
             public void testInvoke() throws Exception {