RFR (XXS): 8003238: JSR 292: intermittent exception failure with java/lang/invoke/CallSiteTest.java

[John Rose]

Good!  — John

On Dec 11, 2012, at 3:47 PM, Christian Thalinger wrote:

> http://cr.openjdk.java.net/~twisti/8003238
> 
> 8003238: JSR 292: intermittent exception failure with java/lang/invoke/CallSiteTest.java
> Reviewed-by:
> 
> The VM code for setTarget takes the Compile_lock and flushes all
> dependent methods.  After that we leave the lock and set the new
> target in the CallSite object.
> 
> The problem here is that after we left the lock an already compiled
> method could be installed with dependencies that are still correct
> because the CallSite.target hasn't been updated yet.
> 
> The fix is to move the set_target calls inside the Compile_lock.
> 
> src/share/vm/prims/methodHandles.cpp
>