Collection field in record causes Class Format Error

[Vicente Romero]

Hi Francois,

I'm not seeing this issue in the current version of the records branch. 
Could you please update to the latest version and double check if the 
issue disappears?

Thanks,
Vicente

On 7/31/19 9:32 PM, Brian Goetz wrote:
> The issue here is not the Collection but the generics.  The compiler is not erasing the type before it lowers the record into its desugared form.
>
>> On May 26, 2019, at 7:58 PM, Francois Green <francois.green at gmail.com> wrote:
>>
>> public class Main {
>>
>>     public static void main(String[] args) {
>>         var item = new Item(List.of());
>>     }
>> }
>>
>> record Item(List<String> strings);
>>
>>
>> Exception in thread "main" java.lang.ClassFormatError: Field "strings" in
>> class Item has illegal signature "Ljava/util/List<Ljava/lang/String;>;"
>>         at java.base/java.lang.ClassLoader.defineClass1(Native Method)
>>         at
>> java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1016)
>>         at
>> jdk.compiler/com.sun.tools.javac.launcher.Main$MemoryClassLoader.findClass(Main.java:657)
>>         at
>> jdk.compiler/com.sun.tools.javac.launcher.Main$MemoryClassLoader.loadClass(Main.java:594)
>>         at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
>>         at Main.main(CFE.java:6)