Remove $ character from fake continuation parameter

The reason is that when it gets captured into the field
having name $$continuation inliner fails with an exception
as it skips fields starting with '$$'

At the same time it doesn't really matter how to call
that parameter because it's only visible in Java

 #KT-17585 In Progress
 #KT-16603 In Progress

compiler/backend/src/org/jetbrains/kotlin/codegen/coroutines/coroutineCodegenUtil.kt

@@ -179,7 +179,7 @@ fun <D : FunctionDescriptor> getOrCreateJvmSuspendFunctionView(function: D, bind
     bindingContext?.get(CodegenBinding.SUSPEND_FUNCTION_TO_JVM_VIEW, function)?.let { return it as D }
 
     val continuationParameter = ValueParameterDescriptorImpl(
-            function, null, function.valueParameters.size, Annotations.EMPTY, Name.identifier("\$continuation"),
+            function, null, function.valueParameters.size, Annotations.EMPTY, Name.identifier("continuation"),
             // Add j.l.Object to invoke(), because that is the type of parameters we have in FunctionN+1
             if (function.containingDeclaration.safeAs<ClassDescriptor>()?.defaultType?.isBuiltinFunctionalType == true)
                 function.builtIns.nullableAnyType