jaotc Miscompilation

[Tianxiao Gu]

Thanks, Igor, this bug has been fixed in the latest jdk10. I also cannot
reproduce it with jdk10.

On Sun, Jan 21, 2018 at 4:36 PM, Igor Veresov <igor.veresov at oracle.com>
wrote:

> Doesn’t seem to reproduce for me with jdk10 (on macOS). Tianxiao, could
> you please try an early build of jdk10 to see if there is still a problem?
>
> igor
>
> > On Jan 21, 2018, at 3:11 PM, Tobias Hartmann <tobias.hartmann at oracle.com>
> wrote:
> >
> > [Adding hotspot-compiler-dev]
> >
> > On 21.01.2018 14:05, Tianxiao Gu wrote:
> >> Hi All,
> >>
> >> I found a mis-compilation bug that can be reproduced in the master of
> >> OpenJDK 9 (http://hg.openjdk.java.net/jdk9/jdk9/) and the latest
> Oracle JDK
> >> 9.0.4+11.
> >>
> >> Can anyone help me to report this bug to developers of OpenJDK 9?
> >>
> >> Description:
> >>
> >> The AOT mode triggers a NegativeArraySizeException while the default
> mode
> >> exits normally.
> >>
> >> Input: C0.class (via Google Drive):
> >>
> >> https://drive.google.com/open?id=17jN-4KFrs-apHlr2jkcDmP4OdA0ophWN
> >>
> >> Reproduce Steps:
> >>
> >> t@~/Projects/JVMTesting/bugs/20180120224049 *>>>
> *../../jdk-9.0.4/bin/jaotc
> >> --output C0.so C0
> >>
> >> t@~/Projects/JVMTesting/bugs/20180120224049 *>>>
> *../../jdk-9.0.4/bin/java
> >> -XX:AOTLibrary=./C0.so C0
> >>
> >> Exception in thread "main" java.lang.NegativeArraySizeException
> >>
> >> at C0.main(Unknown Source)
> >>
> >> t@~/Projects/JVMTesting/bugs/20180120224049 *>>>
> *../../jdk-9.0.4/bin/java
> >> C0
> >>
> >> t@~/Projects/JVMTesting/bugs/20180120224049 *>>> *echo $?
> >>
> >> 0
> >>
> >> t@~/Projects/JVMTesting/bugs/20180120224049 *>>>
> *../../jdk-9.0.4/bin/java
> >> --version
> >>
> >> java 9.0.4
> >>
> >> Java(TM) SE Runtime Environment (build 9.0.4+11)
> >>
> >> Java HotSpot(TM) 64-Bit Server VM (build 9.0.4+11, mixed mode)
> >>
> >> t@~/Projects/JVMTesting/bugs/20180120224049 *>>>
> *../../jdk-9.0.4/bin/jaotc
> >> --version
> >>
> >> jaotc 9.0.4+11
> >>
> >> t@~/Projects/JVMTesting/bugs/20180120224049 *>>> *
> >>
>
>