8303511: C2: assert(get_ctrl(n) == cle_out) during unrolling

[GoeLin]

I backport this for parity with 11.0.20-oracle.

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Progress

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Issue

• JDK-8303511: C2: assert(get_ctrl(n) == cle_out) during unrolling (Bug - P3)

Reviewing

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$ git fetch https://git.openjdk.org/jdk11u-dev.git pull/1973/head:pull/1973
$ git checkout pull/1973

Update a local copy of the PR:
$ git checkout pull/1973
$ git pull https://git.openjdk.org/jdk11u-dev.git pull/1973/head

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$ git pr checkout 1973

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[bridgekeeper]

👋 Welcome back goetz! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

@GoeLin This change now passes all automated pre-integration checks.

After integration, the commit message for the final commit will be:

8303511: C2: assert(get_ctrl(n) == cle_out) during unrolling

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[mlbridge]

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• 00: Full (b7839884)

[GoeLin]

/integrate

[openjdk]

Going to push as commit cc88f4c.
Since your change was applied there have been 15 commits pushed to the master branch:

• 4dd85cb: 8297587: Upgrade JLine to 3.22.0
• e0b98bc: 8292033: Move jdk.X509Certificate event logic to JCA layer
• b2e04df: 8289508: Improve test coverage for XPath Axes: ancestor, ancestor-or-self, preceding, and preceding-sibling
• 7f1047e: 8297955: LDAP CertStore should use LdapName and not String for DNs
• 4a7557e: 8236045: [TESTBUG] MismatchedWhiteBox test fails with missing WhiteBox$WhiteBoxPermission.class
• 513732d: 8260934: java/lang/StringBuilder/HugeCapacity.java fails without Compact Strings
• 817254d: 8249699: java/io/ByteArrayOutputStream/MaxCapacity.java should use @requires instead of @ignore
• 77837e3: 8251517: [TESTBUG] com/sun/net/httpserver/bugs/B6393710.java does not scale socket timeout
• e30705e: 8247968: test/jdk/javax/crypto/SecretKeyFactory/security.properties has wrong header
• 30f0493: 8239007: java/math/BigInteger/largeMemory/ tests should be disabled on 32-bit platforms
• ... and 5 more: https://git.openjdk.org/jdk11u-dev/compare/6e12eba9a9b29635c136984dc24e9d019dc07560...master

Your commit was automatically rebased without conflicts.

[openjdk]

@GoeLin Pushed as commit cc88f4c.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.