RFR: 8287169: compiler/arguments/TestCompileThresholdScaling.java fails on x86_32 after JDK-8287052 [v2]

[Aleksey Shipilev]

> See the bug report, recent regression. I believe the code makes the unwarranted assumption that we run on 64-bit platform, and thus caps at > 2^63 only. It should also cap at > 2^31 for 32-bit platforms.
> 
> Attn @dean-long.
> 
> Testing:
>  - [x] Affected test on Linux x86_64 fastdebug (still passes)
>  - [x] Affected test on Linux x86_32 fastdebug (now passes)

Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:

  Review comments

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8851/files
  - new: https://git.openjdk.java.net/jdk/pull/8851/files/57f7e7a6..e82eea34

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8851&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8851&range=00-01

  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8851.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8851/head:pull/8851

PR: https://git.openjdk.java.net/jdk/pull/8851