RFR: 8260198: TypeInstPtr::dump2() emits multiple lines if Verbose is set [v8]

[Xin Liu]

On Thu, 25 Feb 2021 08:46:08 GMT, Xin Liu <xliu at openjdk.org> wrote:

>> test/hotspot/gtest/utilities/test_ostream.cpp line 69:
>> 
>>> 67: }
>>> 68: 
>>> 69: static void test_stringStream_tr_delete(stringStream* ss) {
>> 
>> I think this is a unit test for `StringUtils::replace_no_expand`. It checks that the function can be used to remove substrings. There is no dependency on `stringStream`. Any string can be used.
>> Could you please move the test to `test_stringUtils.cpp`?
>
> yes, let me move it to test_stringUtils.cpp.

I would like to keep stringStream because I think it's good idea to test the similar scenario. 
it's also handy to do memory management.

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PR: https://git.openjdk.java.net/jdk/pull/2178