[K1] Remove compiler version requirements for context receivers in metadata.

compiler/fir/fir-serialization/src/org/jetbrains/kotlin/fir/serialization/FirElementSerializer.kt

@@ -985,6 +985,9 @@ class FirElementSerializer private constructor(
         return writeLanguageVersionRequirement(languageFeature, this)
     }
 
+    private fun MutableVersionRequirementTable.writeCompilerVersionRequirement(major: Int, minor: Int, patch: Int): Int =
+        writeCompilerVersionRequirement(major, minor, patch, this)
+
     private fun MutableVersionRequirementTable.writeVersionRequirementDependingOnCoroutinesVersion(): Int =
         writeVersionRequirement(LanguageFeature.ReleaseCoroutines)
 
@@ -1156,6 +1159,17 @@ class FirElementSerializer private constructor(
             )
         }
 
+        fun writeCompilerVersionRequirement(
+            major: Int,
+            minor: Int,
+            patch: Int,
+            versionRequirementTable: MutableVersionRequirementTable
+        ): Int = writeVersionRequirement(
+            major, minor, patch,
+            ProtoBuf.VersionRequirement.VersionKind.COMPILER_VERSION,
+            versionRequirementTable
+        )
+
         fun writeVersionRequirement(
             major: Int,
             minor: Int,

compiler/serialization/src/org/jetbrains/kotlin/serialization/DescriptorSerializer.kt

@@ -215,12 +215,6 @@ class DescriptorSerializer private constructor(
             )
         }
 
-        if (classDescriptor.contextReceivers.isNotEmpty()) {
-            builder.addVersionRequirement(
-                writeCompilerVersionRequirement(1, 6, 20, versionRequirementTable)
-            )
-        }
-
         typeTable.serialize()?.let { builder.typeTable = it }
         versionRequirementTable.serialize()?.let { builder.versionRequirementTable = it }
 
@@ -346,10 +340,6 @@ class DescriptorSerializer private constructor(
                 builder.addVersionRequirement(writeVersionRequirement(LanguageFeature.InlineClasses))
             }
 
-            if (descriptor.contextReceiverParameters.isNotEmpty()) {
-                builder.addVersionRequirement(writeCompilerVersionRequirement(1, 6, 20))
-            }
-
             if (local.metDefinitelyNotNullType) {
                 builder.addVersionRequirement(writeVersionRequirement(LanguageFeature.DefinitelyNonNullableTypes))
             }
@@ -447,10 +437,6 @@ class DescriptorSerializer private constructor(
                 builder.addVersionRequirement(writeVersionRequirement(LanguageFeature.InlineClasses))
             }
 
-            if (descriptor.contextReceiverParameters.isNotEmpty()) {
-                builder.addVersionRequirement(writeCompilerVersionRequirement(1, 6, 20))
-            }
-
             if (local.metDefinitelyNotNullType) {
                 builder.addVersionRequirement(writeVersionRequirement(LanguageFeature.DefinitelyNonNullableTypes))
             }

compiler/testData/versionRequirement/contextReceivers.kt

@@ -1,21 +0,0 @@
-package test
-
-interface A
-interface B
-
-context(A, B)
-class ClassWithCR {
-    context(A, B)
-    val memberPropWithCR: Any?
-        get() = null
-
-    context(A, B)
-    fun memberFunWithCR() {}
-}
-
-context(A, B)
-fun topLevelFunWithCR() {}
-
-context(A, B)
-val topLevelPropWithCR: Any?
-    get() = null

compiler/tests/org/jetbrains/kotlin/serialization/JvmVersionRequirementTest.kt

@@ -170,21 +170,4 @@ class JvmVersionRequirementTest : AbstractVersionRequirementTest() {
             shouldBeSingleRequirement = false
         )
     }
-
-    fun testContextReceivers() {
-        doTest(
-            VersionRequirement.Version(1, 6, 20), DeprecationLevel.ERROR, null, COMPILER_VERSION, null,
-            fqNamesWithRequirements = listOf(
-                "test.ClassWithCR",
-                "test.ClassWithCR.memberPropWithCR",
-                "test.ClassWithCR.memberFunWithCR",
-                "test.topLevelFunWithCR",
-                "test.topLevelPropWithCR"
-            ),
-            customLanguageVersion = LanguageVersion.KOTLIN_1_7,
-            specificFeatures = mapOf(
-                LanguageFeature.ContextReceivers to LanguageFeature.State.ENABLED
-            )
-        )
-    }
 }

libraries/tools/kotlinp/testData/ContextReceivers.txt

@@ -12,14 +12,12 @@ public abstract interface B : kotlin/Any {
 }
 // C.class
 // ------------------------------------------
-// requires compiler version 1.6.20 (level=ERROR)
 context(A)
 public final class C : kotlin/Any {
 
   // signature: <init>(LA;)V
   public constructor()
 
-  // requires compiler version 1.6.20 (level=ERROR)
   // signature: f(LB;)V
   context(B)
   public final fun f(): kotlin/Unit
@@ -30,12 +28,10 @@ public final class C : kotlin/Any {
 // ------------------------------------------
 package {
 
-  // requires compiler version 1.6.20 (level=ERROR)
   // signature: g(LA;)V
   context(A)
   public final fun g(): kotlin/Unit
 
-  // requires compiler version 1.6.20 (level=ERROR)
   // getter: getH(LB;)I
   context(B)
   public final val h: kotlin/Int