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8300823: UB: Compile::_phase_optimize_finished is initialized too late

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Reviewed-by: thartmann, chagedorn
This commit is contained in:
Damon Fenacci 2023-01-27 12:14:07 +00:00 committed by Tobias Hartmann
parent db8fa1be05
commit e4252bb914
1 changed files with 7 additions and 7 deletions
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14
src/hotspot/share/opto/compile.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2022, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -977,6 +977,12 @@ void Compile::Init(bool aliasing) {
_immutable_memory = NULL; // filled in at first inquiry
#ifdef ASSERT
_type_verify_symmetry = true;
_phase_optimize_finished = false;
_exception_backedge = false;
#endif
// Globally visible Nodes
// First set TOP to NULL to give safe behavior during creation of RootNode
set_cached_top_node(NULL);
@ -1070,12 +1076,6 @@ void Compile::Init(bool aliasing) {
Copy::zero_to_bytes(_alias_cache, sizeof(_alias_cache));
// A NULL adr_type hits in the cache right away. Preload the right answer.
probe_alias_cache(NULL)->_index = AliasIdxTop;
#ifdef ASSERT
_type_verify_symmetry = true;
_phase_optimize_finished = false;
_exception_backedge = false;
#endif
}
//---------------------------init_start----------------------------------------