JDK-8230363 : C2: Let ConnectionGraph::not_global_escape(Node* n) return false if n is not in the CG
- Type: Bug
- Component: hotspot
- Sub-Component: compiler
- Affected Version: 8,11,13,14
- Priority: P3
- Status: Resolved
- Resolution: Fixed
- OS: generic
- CPU: generic
- Submitted: 2019-08-29
- Updated: 2022-06-27
- Resolved: 2019-09-06
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| JDK 11 | JDK 13 | JDK 14 | Other |
|---|---|---|---|
| 11.0.6-oracleFixed | 13.0.4Fixed | 14 b14Fixed  |
openjdk8u232Fixed |
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Description
Not all ideal nodes are added to the connection graph, it will result in a crash, though, if a node n that was not added to the connection graph is passed to ConnectionGraph::not_global_escape(Node* n). This case should be handled more gracefully by returning false. This is split off from JDK-8227745. There not_global_escape() is applied to the arguments of java calls. If e.g. one should be an integer constant not_global_escape() would crash.
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