Update: JDK-8287496 significantly reduced the number of core files created on AIX, solving this issue.

Several tests are failing on ppc64[le] due to unimplemented functionality after a recent Panama merge. The resulting core files are cumbersome.

The affected tests are:
java/foreign/TestAdaptVarHandles.java
java/foreign/TestArrayCopy.java
java/foreign/TestArrays.java
java/foreign/TestByteBuffer.java
java/foreign/TestFree.java
java/foreign/TestHandshake.java
java/foreign/TestLayoutEquality.java
java/foreign/TestLayoutPaths.java
java/foreign/TestLayouts.java
java/foreign/TestMemoryAccess.java
java/foreign/TestMemoryAccessInstance.java
java/foreign/TestMemoryAlignment.java
java/foreign/TestMemoryDereference.java
java/foreign/TestMemorySession.java
java/foreign/TestMismatch.java
java/foreign/TestReshape.java
java/foreign/TestSegmentAllocators.java
java/foreign/TestSegmentCopy.java
java/foreign/TestSegmentOffset.java
java/foreign/TestSegmentOverlap.java
java/foreign/TestSharedAccess.java
java/foreign/TestSlices.java
java/foreign/TestSpliterator.java
java/foreign/TestTypeAccess.java
java/foreign/TestUnsupportedPlatform.java
java/foreign/TestVarHandleCombinators.java
java/foreign/callarranger/TestAarch64CallArranger.java
java/foreign/callarranger/TestSysVCallArranger.java
java/foreign/callarranger/TestWindowsCallArranger.java
java/foreign/channels/TestAsyncSocketChannels.java
java/foreign/channels/TestSocketChannels.java