RFR: 8273965: some testlibrary_tests/ir_framework tests fail when c1 disabled

[Ao Qi]

On Sat, 18 Sep 2021 15:52:11 GMT, Ao Qi <aoqi at openjdk.org> wrote:

> These tests failed with c2-only build:
> 
> test/hotspot/jtreg/testlibrary_tests/ir_framework/tests/TestCompLevels.java
> test/hotspot/jtreg/testlibrary_tests/ir_framework/tests/TestControls.java
> test/hotspot/jtreg/testlibrary_tests/ir_framework/tests/TestRunTests.java

Thanks, @kelthuzadx !

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PR: https://git.openjdk.java.net/jdk/pull/5576