[jdk11u-dev] RFR: 8274329: Fix non-portable HotSpot code in MethodMatcher::parse_method_pattern

[Jie Fu]

Hi all,

This is the backport of c833b4d130fabfa6a6f3a38313f76eb7e392c6a5.
I'd like to backport it to fix the build failure on Windows for non-English speaking countries.

Patch doesn't apply cleanly (only the removal of `pragma warning` should be manually adjusted).

Thanks.
Best regards,
Jie

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Commit messages:
 - Backport c833b4d130fabfa6a6f3a38313f76eb7e392c6a5

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/509/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=509&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8274329
  Stats: 27 lines in 1 file changed: 15 ins; 9 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/509.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/509/head:pull/509

PR: https://git.openjdk.java.net/jdk11u-dev/pull/509