> See bug report for reproducer and error message. The warning looks quite 
> superficial, and I initially suspected that it complains about `int len = 
> (int)strlen(str)` cast of `size_t`. But what is confusing is nearly the 
> similar code in `newStringCp1252`  apparently does not produce the warning: 
> https://github.com/openjdk/jdk/blob/f5d1b5bda27c798347ae278cbf69725ed4be895c/src/java.base/share/native/libjava/jni_util.c#L533-L566
> 
> I propose we chalk it up to false/odd compiler warning and sync up 
> unproblematic `newStringCp1252` and `newString646_US` implementation to dodge 
> it.
> 
> Additional testing:
>  - [x] Linux x86_32 build with GCC 11
>  - [x]  Linux x86_32 `tier1` test with GCC 9
>  - [x]  Linux x86_64 `tier1` test with GCC 9

Aleksey Shipilev has updated the pull request with a new target base due to a 
merge or a rebase. The incremental webrev excludes the unrelated changes 
brought in by the merge/rebase. The pull request contains five additional 
commits since the last revision:

 - Also improve newSizedString8859_1
 - Merge branch 'master' into JDK-8289049-gcc11-x86-32
 - Init buf in newStringCp1252
 - Another fix
 - Fix

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/9702/files
  - new: https://git.openjdk.org/jdk/pull/9702/files/adcbf91c..c2546de4

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9702&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9702&range=01-02

  Stats: 15250 lines in 640 files changed: 8464 ins; 4113 del; 2673 mod
  Patch: https://git.openjdk.org/jdk/pull/9702.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9702/head:pull/9702

PR: https://git.openjdk.org/jdk/pull/9702

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