[lworld] RFR: 8269578: [lworld] fix AArch64 build after JDK-8267824

[Nick Gasson]

On Tue, 29 Jun 2021 14:55:46 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> There are seem to be some unrelated C2 test failures.

The ones I know about are:

compiler/valhalla/inlinetypes/TestLWorld.java

Assertion failure in OopFlow::build_oop_map(). I raised JDK-8264340 for this.

compiler/valhalla/inlinetypes/TestArrays.java
compiler/valhalla/inlinetypes/TestNullableArrays.java

Fail to find some expected patterns in the opto assembly output. This should be trivial to fix - just need to adjust the regexps to match the AArch64 output - but conflicts with #457.

Did you see any other failures?

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PR: https://git.openjdk.java.net/valhalla/pull/467