[BE] Mangle context receiver params

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

@@ -16181,6 +16181,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                 runTest("compiler/testData/codegen/box/extensionFunctions/contextReceivers/localDeclaration.kt");
             }
 
+            @Test
+            @TestMetadata("overload.kt")
+            public void testOverload() throws Exception {
+                runTest("compiler/testData/codegen/box/extensionFunctions/contextReceivers/overload.kt");
+            }
+
             @Test
             @TestMetadata("plusAssign.kt")
             public void testPlusAssign() throws Exception {

compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/mangle/MangleConstant.kt

@@ -34,6 +34,7 @@ enum class MangleConstant(val prefix: Char, val separator: Char, val suffix: Cha
 
         const val PLATFORM_FUNCTION_MARKER = '%'
 
+        const val CONTEXT_RECEIVER_PREFIX = '!'
         const val EXTENSION_RECEIVER_PREFIX = '@'
         const val FUNCTION_NAME_PREFIX = '#'
         const val TYPE_PARAM_INDEX_PREFIX = '@'

compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/mangle/descriptor/DescriptorMangleComputer.kt

@@ -115,6 +115,11 @@ abstract class DescriptorMangleComputer(protected val builder: StringBuilder, pr
             builder.appendSignature(MangleConstant.STATIC_MEMBER_MARK)
         }
 
+        contextReceiverParameters.forEach {
+            builder.appendSignature(MangleConstant.CONTEXT_RECEIVER_PREFIX)
+            mangleContextReceiverParameter(builder, it)
+        }
+
         extensionReceiverParameter?.let {
             builder.appendSignature(MangleConstant.EXTENSION_RECEIVER_PREFIX)
             mangleExtensionReceiverParameter(builder, it)
@@ -139,6 +144,10 @@ abstract class DescriptorMangleComputer(protected val builder: StringBuilder, pr
         }
     }
 
+    private fun mangleContextReceiverParameter(vpBuilder: StringBuilder, param: ReceiverParameterDescriptor) {
+        mangleType(vpBuilder, param.type)
+    }
+
     private fun mangleExtensionReceiverParameter(vpBuilder: StringBuilder, param: ReceiverParameterDescriptor) {
         mangleType(vpBuilder, param.type)
     }

compiler/testData/codegen/box/extensionFunctions/contextReceivers/overload.kt

@@ -0,0 +1,14 @@
+// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND_FIR: JVM_IR
+
+context(String, Int)
+fun overloaded(value: Any?) = "OK"
+
+context(String)
+fun overloaded(value: Any?) = "fail"
+
+fun box() = with("42") {
+    with(42) {
+        overloaded(null)
+    }
+}

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

@@ -16181,6 +16181,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                 runTest("compiler/testData/codegen/box/extensionFunctions/contextReceivers/localDeclaration.kt");
             }
 
+            @Test
+            @TestMetadata("overload.kt")
+            public void testOverload() throws Exception {
+                runTest("compiler/testData/codegen/box/extensionFunctions/contextReceivers/overload.kt");
+            }
+
             @Test
             @TestMetadata("plusAssign.kt")
             public void testPlusAssign() throws Exception {