RFR: JDK-8134157: adlc fails to compile with SS12u4

[Tim Bell]

Erik:

> We are working towards upgrading the officially supported compilers 
> for JDK 9 and on Solaris, the proposed new compiler is Solaris Studio 
> 12 update 4. When attempting to build with that compiler, the hotspot 
> build fails very early with:
>
> "/opt/jprt/jprtadm/erik/jdk9-dev/hotspot/src/share/vm/adlc/adlparse.cpp", 
> line 2331: Error: Could not find source for 
> RegisterForm::addRegClass<RegClass>(const char*).
>
> This can be worked around by adding -template=extdef to the compiler 
> flags. I propose we add this just when compiling adlc and for this 
> particular version of Solaris Studio. See bug for further discussion 
> of the issue.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8134157
> Webrev: http://cr.openjdk.java.net/~erikj/8134157/webrev/

That is subtle.

Looks good to me from a build perspective.  I am not a HotSpot 'R'eviewer.

Tim