Mercurial > hg > truffle
changeset 17618:f834ae379225
8028064: tiered may collect wrong receiver type at virtual call
Summary: when unique callee is known at compile time, recorded class may be wrong
Reviewed-by: kvn, iveresov
author | roland |
---|---|
date | Tue, 07 Jan 2014 14:36:34 +0100 |
parents | 29463147336b |
children | 5231c2210388 |
files | src/share/vm/c1/c1_GraphBuilder.cpp |
diffstat | 1 files changed, 8 insertions(+), 4 deletions(-) [+] |
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--- a/src/share/vm/c1/c1_GraphBuilder.cpp Tue Jan 07 12:38:22 2014 +0100 +++ b/src/share/vm/c1/c1_GraphBuilder.cpp Tue Jan 07 14:36:34 2014 +0100 @@ -4338,11 +4338,15 @@ #endif // PRODUCT void GraphBuilder::profile_call(ciMethod* callee, Value recv, ciKlass* known_holder, Values* obj_args, bool inlined) { - // A default method's holder is an interface - if (known_holder != NULL && known_holder->is_interface()) { - assert(known_holder->is_instance_klass() && ((ciInstanceKlass*)known_holder)->has_default_methods(), "should be default method"); - known_holder = NULL; + assert(known_holder == NULL || (known_holder->is_instance_klass() && + (!known_holder->is_interface() || + ((ciInstanceKlass*)known_holder)->has_default_methods())), "should be default method"); + if (known_holder != NULL) { + if (known_holder->exact_klass() == NULL) { + known_holder = compilation()->cha_exact_type(known_holder); + } } + append(new ProfileCall(method(), bci(), callee, recv, known_holder, obj_args, inlined)); }