RFR: 8280473: CI: Support unresolved JVM_CONSTANT_Dynamic constant pool entries

[Dean Long]

On Thu, 10 Feb 2022 11:37:18 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

> Properly support unresolved CONSTANT_Dynamic CP entries in C1/C2.
> 
> Right now, both compilers bail out the compilation when they encounter a single unresolved dynamic constant. It forces users to do eager resolution which defeats the whole purpose of using dynamic constants. 
> 
> The patch is focused on C1 and enables code patching for dynamic constants, but there are minor C2-specific changes to avoid compilation bailouts there. 
> 
> Testing: hs-tier1 - hs-tier4

src/hotspot/share/ci/ciEnv.cpp line 760:

> 758:     }
> 759:     ciInstance* constant = get_object(string)->as_instance();
> 760:     return ciConstant(T_OBJECT, constant);

Please explain what happens for array constants now.

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PR: https://git.openjdk.java.net/jdk/pull/7423