RFR(S) 8205078: [Graal] org.graalvm.compiler.core.test.VerifyDebugUsageTest fails with "Expected exception: VerificationError"

[Doug Simon]

> On 7 Aug 2018, at 08:07, Ekaterina Pavlova <ekaterina.pavlova at oracle.com> wrote:
> 
> Vladimir, thanks for prompt review.
> 
> I can revert the changes and add -XDstringConcat=inline to JAVAC flags for all tests.
> I did it only for org/graalvm/compiler/core/test/VerifyDebugUsageTest.java because
> Doug was not sure if this should be applied to all tests. Here what he said: "I can't say for sure since
> we've only ever compiled the tests with JDK 8 (or --release 8). I would only apply it to this test for now.
> 
> Doug, what is your opinion on this?

Still the same. Tests should fail fast if they cannot handle Indy strings so I think dealing with it on a case-by-case basis is the right approach.

-Doug

> 
> On 8/6/18 2:17 PM, Vladimir Kozlov wrote:
>> Can we switch off Indy strings concat for all Graal unit tests? Based on what Doug said: "We don't support the indy string pattern in these tests".
>> Note, Graal itself (and JVMCI) are compiled without Indy strings concat:
>> http://hg.openjdk.java.net/jdk/jdk/file/c23f1e4910f3/make/CompileJavaModules.gmk#l425
>> Thanks,
>> Vladimir
>> On 8/6/18 1:42 PM, Ekaterina Pavlova wrote:
>>> Hi All,
>>> 
>>> please review the change which introduces additional make target in JtregGraalUnit.gmk
>>> to compile org/graalvm/compiler/core/test/VerifyDebugUsageTest.java with -XDstringConcat=inline.
>>> Otherwise the test fails. Also moved building of jdk.vm.compiler.replacements.verifier.jar into separate target.
>>> 
>>>      JBS: https://bugs.openjdk.java.net/browse/JDK-8205078
>>>   webrev: http://cr.openjdk.java.net/~epavlova//8205078/webrev.00/index.html
>>> testing: tested by building on all platforms and running graal unit tests on Graal supported platforms.
>>> 
>>> 
>>> thanks,
>>> -katya
>>> 
>