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8178363: Incorrect check for nmethod re-registration in C1

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Reviewed-by: stefank, rbackman
This commit is contained in:
Per Lidén 2017-04-12 08:49:08 +02:00
parent f7277d87d5
commit 221d948b51
1 changed files with 4 additions and 3 deletions
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7
hotspot/src/share/vm/c1/c1_Runtime1.cpp
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@ -1221,12 +1221,13 @@ JRT_ENTRY(void, Runtime1::patch_code(JavaThread* thread, Runtime1::StubID stub_i
// If we are patching in a non-perm oop, make sure the nmethod
// is on the right list.
if (ScavengeRootsInCode && ((mirror.not_null() && mirror()->is_scavengable()) ||
(appendix.not_null() && appendix->is_scavengable()))) {
if (ScavengeRootsInCode) {
MutexLockerEx ml_code (CodeCache_lock, Mutex::_no_safepoint_check_flag);
nmethod* nm = CodeCache::find_nmethod(caller_frame.pc());
guarantee(nm != NULL, "only nmethods can contain non-perm oops");
if (!nm->on_scavenge_root_list()) {
if (!nm->on_scavenge_root_list() &&
((mirror.not_null() && mirror()->is_scavengable()) ||
(appendix.not_null() && appendix->is_scavengable()))) {
CodeCache::add_scavenge_root_nmethod(nm);
}