RFR: 8213204 - ReservedStackTest and ReservedStackTestCompiler tests fail on windows

[Bob Vandette]

Please review this test fix that solve a problem with a regression that was introduced with the
changes done to remove one of the AARCH64 ports (https://bugs.openjdk.java.net/browse/JDK-8209093).

BUG:
https://bugs.openjdk.java.net/browse/JDK-8213204

WEBREV:
http://cr.openjdk.java.net/~bobv/8213204/webrev


Here is the effective change that I should have done to this test when removing the Hybrid arm64 port.


diff --git a/test/hotspot/jtreg/runtime/ReservedStack/ReservedStackTest.java b/test/hotspot/jtreg/runtime/ReservedStack/ReservedStackTest.java
--- a/test/hotspot/jtreg/runtime/ReservedStack/ReservedStackTest.java
+++ b/test/hotspot/jtreg/runtime/ReservedStack/ReservedStackTest.java
@@ -233,19 +233,16 @@
     }
 
     private static boolean isAlwaysSupportedPlatform() {
-        // Note: To date Aarch64 is the only platform that we don't statically
-        // know if it supports the reserved stack area. This is because the
-        // open Aarch64 port supports it and the Oracle arm64 port does not.
         return Platform.isAix() ||
             (Platform.isLinux() &&
              (Platform.isPPC() || Platform.isS390x() || Platform.isX64() ||
-              Platform.isX86())) ||
+              Platform.isX86() || Platform.isAArch64())) ||
             Platform.isOSX() ||
             Platform.isSolaris();
     }
 
     private static boolean isNeverSupportedPlatform() {
-        return !isAlwaysSupportedPlatform() && !Platform.isAArch64();
+        return !isAlwaysSupportedPlatform();
     }
 
     private static boolean isSupportedPlatform;

Bob.