RFR: 8242300: SystemDictionary::resolve_super_or_fail() should look for the super class first

[Coleen Phillimore]

Fixed CDS to do a find() before calling resolve_super_or_null as an optimization.  See numbers in the CR for details.
Tested with tier1-8 (2 jobs in 8 still running).

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Commit messages:
 - 8242300: SystemDictionary::resolve_super_or_fail() should look for the super class first

Changes: https://git.openjdk.java.net/jdk/pull/2411/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2411&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8242300
  Stats: 14 lines in 1 file changed: 13 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2411.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2411/head:pull/2411

PR: https://git.openjdk.java.net/jdk/pull/2411