jaotc Miscompilation

[Tobias Hartmann]

[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 *>>> *
>