RFR: 8267982: Set the node after peephole optimization to be removed [v4]

Thu Jun 24 02:44:52 UTC 2021

> Hi all,
> 
> Enable peephole can cause SIGSEGV sometimes in OopFlow::build_oop_map(Node*, int, PhaseRegAlloc*, int*)+0x238 , so must set a removed-flags for the peephole-nodes , to avoid be set-live-bit() and cause crash.
>  Please review this trivial change.
> 
> Thanks,
> Sun Guoyun

SUN Guoyun has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR.

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4276/files
  - new: https://git.openjdk.java.net/jdk/pull/4276/files/b5fc0dc4..ce44cd68

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4276&range=03
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4276&range=02-03

  Stats: 9 lines in 3 files changed: 0 ins; 7 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4276.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4276/head:pull/4276

PR: https://git.openjdk.java.net/jdk/pull/4276