On Sun, 22 May 2022 16:45:11 GMT, Kim Barrett wrote:
>> It might be GCC bug...
>>
>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578
>>
>> This issue is for integer literal, but [Comment
>> 29](https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578#c29) mentions address
>> calculation (e.g. `N
On Sun, 22 May 2022 08:45:48 GMT, Yasumasa Suenaga wrote:
>> I don't think this warning has anything to do with that NULL check. But I'm
>> still not understanding what it is warning about. The "region of size 0" part
>> of the warning message seems important, but I'm not (yet?) seeing how it
>>
On Sun, 22 May 2022 08:35:54 GMT, Yasumasa Suenaga wrote:
>> `Array::_data` is a pseudo flexible array member. "Pseudo" because C++
>> doesn't have flexible array members. The compiler is completely justified in
>> complaining about the apparently out-of-bounds accesses.
>>
>> There is a "well-k
On Sun, 22 May 2022 05:00:21 GMT, Kim Barrett wrote:
>> I guess GCC cannot understand `assert(dest != NULL` immediately preceding it.
>>
>>
>> In file included from
>> /home/ysuenaga/github-forked/jdk/src/hotspot/share/jfr/recorder/checkpoint/types/traceid/jfrTraceIdLoadBarrier.inline.hpp:33,
On Sun, 22 May 2022 03:15:20 GMT, Kim Barrett wrote:
>> Like the others, it is caused by `Array::at_put()`.
>>
>>
>> In file included from
>> /home/ysuenaga/github-forked/jdk/src/hotspot/share/oops/annotations.hpp:28,
>> from
>> /home/ysuenaga/github-forked/jdk/src/hotspot/sh
On Tue, 17 May 2022 12:43:02 GMT, Yasumasa Suenaga wrote:
>> src/hotspot/share/jfr/recorder/checkpoint/types/traceid/jfrTraceIdBits.inline.hpp
>> line 103:
>>
>>> 101: PRAGMA_STRINGOP_OVERFLOW_IGNORED
>>> 102: *dest = op(bits, *dest);
>>> 103: PRAGMA_DIAG_POP
>>
>> I see no stringop here. I
On Tue, 17 May 2022 12:38:55 GMT, Yasumasa Suenaga wrote:
>> src/hotspot/share/classfile/classFileParser.cpp line 5970:
>>
>>> 5968: PRAGMA_STRINGOP_OVERFLOW_IGNORED
>>> 5969: _cp->symbol_at_put(hidden_index, _class_name);
>>> 5970: PRAGMA_DIAG_POP
>>
>> I don't understand these warning suppr
On Tue, 17 May 2022 04:52:44 GMT, Kim Barrett wrote:
>> src/hotspot/share/opto/memnode.cpp line 1413:
>>
>>> 1411:bt == T_BYTE|| bt == T_SHORT ||
>>> 1412:bt == T_INT || bt == T_LONG, "wrong type =
>>> %s", type2name(bt));
>>> 1413: PRAGMA_DIAG_PO
On Tue, 17 May 2022 03:06:49 GMT, Kim Barrett wrote:
>> Yasumasa Suenaga has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> Revert change for java.c , parse_manifest.c , LinuxPackage.c
>
> src/hotspot/share/opto/type.cpp line 4300:
>
>> 42
On Tue, 17 May 2022 03:14:05 GMT, Kim Barrett wrote:
>> Yasumasa Suenaga has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> Revert change for java.c , parse_manifest.c , LinuxPackage.c
>
> src/hotspot/share/classfile/bytecodeAssembler.cpp l
On Tue, 17 May 2022 03:02:55 GMT, Kim Barrett wrote:
>> Yasumasa Suenaga has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> Revert change for java.c , parse_manifest.c , LinuxPackage.c
>
> src/hotspot/share/jfr/recorder/checkpoint/types/tra
On Tue, 17 May 2022 01:43:25 GMT, Kim Barrett wrote:
>> Yasumasa Suenaga has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> Revert change for java.c , parse_manifest.c , LinuxPackage.c
>
> src/hotspot/share/classfile/classFileParser.cpp lin
On Tue, 17 May 2022 03:05:09 GMT, Kim Barrett wrote:
>> Yasumasa Suenaga has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> Revert change for java.c , parse_manifest.c , LinuxPackage.c
>
> src/hotspot/share/opto/memnode.cpp line 1413:
>
>>
On Fri, 13 May 2022 10:02:30 GMT, Yasumasa Suenaga wrote:
>> I saw some compiler warnings when I tried to build OpenJDK with GCC 12.0.1
>> on Fedora 36.
>> As you can see, the warnings spreads several areas. Let me know if I should
>> separate them by area.
>>
>> * -Wstringop-overflow
>> *
On Fri, 13 May 2022 10:02:30 GMT, Yasumasa Suenaga wrote:
>> I saw some compiler warnings when I tried to build OpenJDK with GCC 12.0.1
>> on Fedora 36.
>> As you can see, the warnings spreads several areas. Let me know if I should
>> separate them by area.
>>
>> * -Wstringop-overflow
>> *
On Fri, 13 May 2022 10:02:30 GMT, Yasumasa Suenaga wrote:
>> I saw some compiler warnings when I tried to build OpenJDK with GCC 12.0.1
>> on Fedora 36.
>> As you can see, the warnings spreads several areas. Let me know if I should
>> separate them by area.
>>
>> * -Wstringop-overflow
>> *
> I saw some compiler warnings when I tried to build OpenJDK with GCC 12.0.1 on
> Fedora 36.
> As you can see, the warnings spreads several areas. Let me know if I should
> separate them by area.
>
> * -Wstringop-overflow
> * src/hotspot/share/oops/array.hpp
> *
> src/hotspot/share/jfr/
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