jaotc Miscompilation

[Igor Veresov]

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 *>>> *
>>