Improve exception message in collection stubs

compiler/backend/src/org/jetbrains/kotlin/codegen/CollectionStubMethodGenerator.kt

@@ -323,7 +323,10 @@ class CollectionStubMethodGenerator(
         val genericSignature = if (synthetic) null else signature.genericsSignature
         val mv = v.newMethod(JvmDeclarationOrigin.NO_ORIGIN, access, asmMethod.name, asmMethod.descriptor, genericSignature, null)
         mv.visitCode()
-        AsmUtil.genThrow(InstructionAdapter(mv), "java/lang/UnsupportedOperationException", "Mutating immutable collection")
+        AsmUtil.genThrow(
+                InstructionAdapter(mv),
+                "java/lang/UnsupportedOperationException",
+                "Operation is not supported for read-only collection")
         FunctionCodegen.endVisit(mv, "built-in stub for $signature", null)
     }
 }

compiler/testData/codegen/box/builtinStubMethods/immutableRemove.kt

@@ -43,7 +43,7 @@ fun box(): String {
         method.invoke(c, "")
         return "fail 4"
     } catch (e: java.lang.reflect.InvocationTargetException) {
-        if (e.cause!!.message != "Mutating immutable collection") return "fail 5: ${e.cause!!.message}"
+        if (e.cause!!.message != "Operation is not supported for read-only collection") return "fail 5: ${e.cause!!.message}"
     }
 
     return "OK"