-XD-relax doesn't work

Liam Miller-Cushon cushon at google.com
Wed Jan 20 01:31:52 UTC 2016


Thanks, I'll avoid using it :)

On Tue, Jan 19, 2016 at 5:03 PM, Maurizio Cimadamore <
maurizio.cimadamore at oracle.com> wrote:

> Thanks
> I'll add that to the list of flags to cleanup :-)
>
> Maurizio
>
>
> On 20/01/16 00:49, Liam Miller-Cushon wrote:
>
>> I think that -XD-relax has been broken since JDK8. My understanding is
>> that it was added in the jsr14 era, so maybe it should just be removed?
>>
>> The fix is:
>>
>> diff -r 6149fc30cd71
>> src/jdk.compiler/share/classes/com/sun/tools/javac/main/JavaCompiler.java
>> ---
>> a/src/jdk.compiler/share/classes/com/sun/tools/javac/main/JavaCompiler.java
>> Thu Jan 14 12:03:24 2016 -0800
>> +++
>> b/src/jdk.compiler/share/classes/com/sun/tools/javac/main/JavaCompiler.java
>> Tue Jan 19 16:34:56 2016 -0800
>> @@ -1281,6 +1281,7 @@
>>                  return;
>>
>>              if (relax) {
>> +                compileStates.put(env, CompileState.FLOW);
>>                  results.add(env);
>>                  return;
>>              }
>>
>> Repro:
>>
>> $ cat Test.java
>> class Test {}
>> $ javac -XD-relax Test.java
>> An exception has occurred in the compiler (1.9.0-internal). Please file a
>> bug against the Java compiler via the Java bug reporting page (
>> http://bugreport.java.com) after checking the Bug Database (
>> http://bugs.java.com) for duplicates. Include your program and the
>> following diagnostic in your report. Thank you.
>> java.lang.AssertionError: The current compile state [ATTR] of class Test
>> is previous to FLOW
>>         at com.sun.tools.javac.util.Assert.error(Assert.java:162)
>>         at
>> com.sun.tools.javac.comp.TransTypes.translateClass(TransTypes.java:937)
>>         at
>> com.sun.tools.javac.comp.TransTypes.visitClassDef(TransTypes.java:512)
>>         at
>> com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:744)
>>         at
>> com.sun.tools.javac.tree.TreeTranslator.translate(TreeTranslator.java:58)
>>         at
>> com.sun.tools.javac.comp.TransTypes.translate(TransTypes.java:491)
>>         at
>> com.sun.tools.javac.comp.TransTypes.translateTopLevelClass(TransTypes.java:977)
>>         at
>> com.sun.tools.javac.main.JavaCompiler.desugar(JavaCompiler.java:1455)
>>         at
>> com.sun.tools.javac.main.JavaCompiler.desugar(JavaCompiler.java:1326)
>>         at
>> com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:871)
>>         at com.sun.tools.javac.main.Main.compile(Main.java:257)
>>         at com.sun.tools.javac.main.Main.compile(Main.java:142)
>>         at com.sun.tools.javac.Main.compile(Main.java:55)
>>         at com.sun.tools.javac.Main.main(Main.java:41)
>>
>
>
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