RFR: 8221343: x86_32 crashes on startup with "_hwm out of range"

[Tobias Hartmann]

Hi Claes,

this looks good to me.

Best regards,
Tobias

On 25.03.19 14:30, Claes Redestad wrote:
> Hi,
> 
> some of the RegMasks allocated in Matcher::init_first_stack_mask aren't
> properly initialized on 32-bit builds, which hits an assert after
> JDK-8220159.  One simple fix is to explictly construct empty RegMasks
> into the allocated memory.
> 
> Bug:    https://bugs.openjdk.java.net/browse/JDK-8221343
> Webrev: http://cr.openjdk.java.net/~redestad/8221343/open.00/
> 
> Testing: verified reproducer in bug, pass tier1-3
> 
> Thanks!
> 
> /Claes