RFR: 8304674: File java.c compile error with -fsanitize=address -O0

[SendaoYan]

On Mon, 25 Nov 2024 06:17:23 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> File `src/java.base/share/native/libjli/java.c` compile `error: control reaches end of non-void function [-Werror=return-type]` with gcc options `-fsanitize=address -O0`. The function `int JavaMain(void* _args)` in this file missed last return statement,  The original last macro statement `LEAVE();` in this fucntion do nothing since `do {...} while (JNI_FALSE)` is alway false and make no sense. This PR add final return statement make function complement, I think this change almost no risk.
> 
> Additional testing:
> 
> - [ ]   jtreg tests(include tier1/2/3 etc.) with linux-x64 release build
> - [ ]   jtreg tests(include tier1/2/3 etc.) with linux-x64 fastdebug build
> - [ ]   jtreg tests(include tier1/2/3 etc.) with linux-aarch64 release build
> - [ ]   jtreg tests(include tier1/2/3 etc.) with linux-aarch64 fastdebug build

Thanks. I think I need more investigate this issue, Sorry.

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PR Comment: https://git.openjdk.org/jdk/pull/22355#issuecomment-2497072289