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8157181: Compilers accept modification of final fields outside initializer methods

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Track initialized final field updates; disable constant folding if an update is detected. Enforce final field update rules introduced by JVMS-7 (but only for JDK 9).

Reviewed-by: vlivanov, dnsimon, forax, never, kvn, coleenp
This commit is contained in:
Zoltan Majo 2016-06-15 14:27:58 +02:00
parent 2ade029123
commit cdc436922a
32 changed files with 284 additions and 75 deletions
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3
hotspot/src/share/vm/interpreter/interpreterRuntime.cpp
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@ -558,6 +558,7 @@ void InterpreterRuntime::resolve_get_put(JavaThread* thread, Bytecodes::Code byt
// resolve field
fieldDescriptor info;
constantPoolHandle pool(thread, method(thread)->constants());
methodHandle m(thread, method(thread));
bool is_put = (bytecode == Bytecodes::_putfield || bytecode == Bytecodes::_nofast_putfield ||
bytecode == Bytecodes::_putstatic);
bool is_static = (bytecode == Bytecodes::_getstatic || bytecode == Bytecodes::_putstatic);
@ -565,7 +566,7 @@ void InterpreterRuntime::resolve_get_put(JavaThread* thread, Bytecodes::Code byt
{
JvmtiHideSingleStepping jhss(thread);
LinkResolver::resolve_field_access(info, pool, get_index_u2_cpcache(thread, bytecode),
bytecode, CHECK);
m, bytecode, CHECK);
} // end JvmtiHideSingleStepping
// check if link resolution caused cpCache to be updated