(11) RFR (S) JDK-8196884: VS2017 Multiple Type Cast Conversion Compilation Errors

[Kim Barrett]

> On Feb 16, 2018, at 3:37 PM, Lois Foltan <lois.foltan at oracle.com> wrote:
> 
> Please review this fix for multiple type cast conversion compilation errors.  This fix includes a change to correctly type the symbolic constants badAddressVal and badOopVal in globalDefinitions.hpp and adjust numerous type cast conversions for the constant 0xdeadbeef.
> 
> open webrev at http://cr.openjdk.java.net/~lfoltan/bug_jdk8196884/webrev/
> bug link https://bugs.openjdk.java.net/browse/JDK-8196884
> 
> Suggestions in the bug to remove the questionable remaining use of badOopVal as well as introduce a BAD_PTR macro definition for 0xdeadbeef have been filed as RFEs:
> - Removal of BadOopVal https://bugs.openjdk.java.net/browse/JDK-8198308
> - Introduce BAD_PTR https://bugs.openjdk.java.net/browse/JDK-8198309
> 
> Testing in progress (hs-tier1-3, jdk-tier1-3)
> 
> Thanks,
> Lois

Looks good, given JDK-8196309 as a trailing cleanup.