[jdk17u-dev] RFR: 8285980: Several tests in compiler/c2/irTests miss @requires vm.compiler2.enabled

[Goetz Lindenmaier]

I backport this for parity with 17.0.9-oracle.

These files omitted:
test/hotspot/jtreg/compiler/c2/irTests/TestCountedLoopSafepoint.java  Added in 8281322 in 19.
test/hotspot/jtreg/compiler/c2/irTests/TestDuplicateBackedge.java Added in 8279888 in 19.
test/hotspot/jtreg/compiler/c2/irTests/TestIRAddIdealNotXPlusC.java  Added in 8279607 in 19
test/hotspot/jtreg/compiler/c2/irTests/TestIRLShiftIdeal_XPlusX_LShiftC.java Added in 8278114 in 19.
test/hotspot/jtreg/compiler/c2/irTests/TestLongRangeChecks.java  Added in 8259609 in 18

test/hotspot/jtreg/compiler/c2/irTests/TestSuperwordFailsUnrolling.java
Trivial resolve

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Commit messages:
 - Backport 1f9f8738f344ecbc0270608ee84eb92138f349a2

Changes: https://git.openjdk.org/jdk17u-dev/pull/1548/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1548&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8285980
  Stats: 4 lines in 4 files changed: 4 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1548.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1548/head:pull/1548

PR: https://git.openjdk.org/jdk17u-dev/pull/1548