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8227745: Enable Escape Analysis for Better Performance in the Presence of JVMTI Agents

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8233915: JVMTI FollowReferences: Java Heap Leak not found because of C2 Scalar Replacement

Reviewed-by: mdoerr, goetz, sspitsyn, kvn
This commit is contained in:
Richard Reingruber 2020-10-20 15:31:55 +00:00
parent f167a71f1d
commit 40f847e2fb
53 changed files with 5744 additions and 218 deletions
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8
src/hotspot/share/runtime/safepoint.cpp
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@ -989,6 +989,10 @@ void ThreadSafepointState::handle_polling_page_exception() {
// Process pending operation
SafepointMechanism::process_if_requested(self);
// We have to wait if we are here because of a handshake for object deoptimization.
if (self->is_obj_deopt_suspend()) {
self->wait_for_object_deoptimization();
}
self->check_and_handle_async_exceptions();
// restore oop result, if any
@ -1006,6 +1010,10 @@ void ThreadSafepointState::handle_polling_page_exception() {
// Process pending operation
SafepointMechanism::process_if_requested(self);
// We have to wait if we are here because of a handshake for object deoptimization.
if (self->is_obj_deopt_suspend()) {
self->wait_for_object_deoptimization();
}
set_at_poll_safepoint(false);
// If we have a pending async exception deoptimize the frame