RFR: 8149591 - Prepare hotspot for GTest

[George Triantafillou]

Hi Jesper,

Your changes look good.

-George

On 2/10/2016 2:47 PM, Jesper Wilhelmsson wrote:
> Hi,
>
> Please review this change to prepare the Hotspot code for the Google 
> unit test framework. From the RFE:
>
> A few changes are needed in the hotspot code to start using the Google 
> Test framework.
>
> 1. The new() operator as defined in allocation.cpp can not be used 
> together with GTest. This needs to be moved to a separate file so that 
> we can avoid compiling it when building the GTest enabled JVM.
>
> 2. In management.cpp there is a local variable called err_msg. This 
> variable is shadowing a global variable in debug.hpp. In the GTest 
> work the global err_msg variable is used in the vmassert macro and 
> this creates a conflict with the local variable in management.cpp.
>
> 3. If SuppressFatalErrorMessage is set ALL error messages should be 
> suppressed, even the ones in error_is_suppressed() in debug.cpp.
>
> This is what is done by this change.
>
> RFE: https://bugs.openjdk.java.net/browse/JDK-8149591
> Webrev: http://cr.openjdk.java.net/~jwilhelm/8149591/webrev.00/index.html
>
> Thanks,
> /Jesper