8062950: Bug in locking code when UseOptoBiasInlining is disabled: assert(dmw->is_neutral()) failed: invariant
Reviewed-by: dholmes, kvn
--- a/hotspot/src/cpu/x86/vm/macroAssembler_x86.cpp Thu Nov 06 09:40:58 2014 +0100
+++ b/hotspot/src/cpu/x86/vm/macroAssembler_x86.cpp Wed Nov 05 16:28:11 2014 +0100
@@ -1769,7 +1769,7 @@
// at [FETCH], below, will never observe a biased encoding (*101b).
// If this invariant is not held we risk exclusion (safety) failure.
if (UseBiasedLocking && !UseOptoBiasInlining) {
- biased_locking_enter(boxReg, objReg, tmpReg, scrReg, true, DONE_LABEL, NULL, counters);
+ biased_locking_enter(boxReg, objReg, tmpReg, scrReg, false, DONE_LABEL, NULL, counters);
}
#if INCLUDE_RTM_OPT