RFR: 8229699 - [Graal] jck tests fail on windows with AOTed Graal

[Bob Vandette]

BUG:  https://bugs.openjdk.java.net/browse/JDK-8229699

A recent change (https://bugs.openjdk.java.net/browse/JDK-8227439) disabled UseAOT by default.
UseAOT is automatically enabled if an AOTLibrary is specified but the check for UseAOT in os:init_2
occurs before this happens.

This fix will install the exception handler if a library is added and the user hasn’t manually disabled AOT.


diff --git a/src/hotspot/os/windows/os_windows.cpp b/src/hotspot/os/windows/os_windows.cpp
--- a/src/hotspot/os/windows/os_windows.cpp
+++ b/src/hotspot/os/windows/os_windows.cpp
@@ -4122,7 +4122,7 @@
  // in order to forward implicit exceptions from code in AOT
  // generated DLLs.  This is necessary since these DLLs are not
  // registered for structured exceptions like codecache methods are.
-  if (UseAOT) {
+  if (AOTLibrary != NULL && (UseAOT || FLAG_IS_DEFAULT(UseAOT))) {
    topLevelVectoredExceptionHandler = AddVectoredExceptionHandler( 1, topLevelVectoredExceptionFilter);
  }
#endif

Bob.