8184009: Missing null pointer check in InterpreterRuntime::update_mdp_for_ret()
Summary: Adds a missing null check (guarantee) found by Parfait.
Reviewed-by: coleenp, shade
--- a/hotspot/src/share/vm/interpreter/interpreterRuntime.cpp Tue Jul 18 19:56:18 2017 +0000
+++ b/hotspot/src/share/vm/interpreter/interpreterRuntime.cpp Wed Jul 19 09:00:13 2017 +0200
@@ -1033,6 +1033,7 @@
// ProfileData is essentially a wrapper around a derived oop, so we
// need to take the lock before making any ProfileData structures.
ProfileData* data = h_mdo->data_at(h_mdo->dp_to_di(fr.interpreter_frame_mdp()));
+ guarantee(data != NULL, "profile data must be valid");
RetData* rdata = data->as_RetData();
address new_mdp = rdata->fixup_ret(return_bci, h_mdo);
fr.interpreter_frame_set_mdp(new_mdp);