On 2025-01-16 21:25, Jeffrey Walton wrote:
On Fri, Jan 17, 2025 at 12:07 AM Bruno Haible via Gnulib discussion
list wrote:
Yes, the undefined behaviour really starts here, in line 35:
const __m128i *data = buf;
'buf' was not aligned, 'const __m128i *' is 16-byte aligned.
Disassemble the
On Fri, Jan 17, 2025 at 12:07 AM Bruno Haible via Gnulib discussion
list wrote:
>
> Paul Eggert wrote:
> > > ../lib/crc-x86_64-pclmul.c:120:26: runtime error: load of misaligned
> > > address 0x5572a8d5f161 for type 'const __m128i *', which requires 16 byte
> > > alignment
> > > 0x5572a8d5f161:
Paul Eggert wrote:
> > ../lib/crc-x86_64-pclmul.c:120:26: runtime error: load of misaligned
> > address 0x5572a8d5f161 for type 'const __m128i *', which requires 16 byte
> > alignment
> > 0x5572a8d5f161: note: pointer points here
> > 2a 27 00 fc 75 47 2e 58 58 bf 5a d1 0f bb b4 48 98 72 83 a
On 2025-01-16 11:29, Bruno Haible via Gnulib discussion list wrote:
../lib/crc-x86_64-pclmul.c:120:26: runtime error: load of misaligned address
0x5572a8d5f161 for type 'const __m128i *', which requires 16 byte alignment
0x5572a8d5f161: note: pointer points here
2a 27 00 fc 75 47 2e 58 58 bf
G. Branden Robinson wrote:
> > 1) Details about the OS: There are several variants of Solaris 11. Which
> >one do you mean?
>
> I'm using what's installed at gcc211.fsffrance.org.
> ...
> g++ (GCC) 5.5.0
> ...
> > 4) And, last not least, the tarball which you are attempting to compile?
>
> 8.
Hi Bruno,
At 2025-01-16T21:45:44+0100, Bruno Haible wrote:
> G. Branden Robinson wrote:
> > [please keep groff@ in CC list, as I'm not subscribed]
> >
> > I'm having C++-related declaration clash trouble on Solaris 11.
> > Since both header files involved in the clash are generated by
> > gnulib,
Hi,
G. Branden Robinson wrote:
> [please keep groff@ in CC list, as I'm not subscribed]
>
> I'm having C++-related declaration clash trouble on Solaris 11. Since
> both header files involved in the clash are generated by gnulib, it's
> tempting not to blame the system headers.
>
> CXX sr
Building a current coreutils with a current gnulib on CentOS 5 (a glibc 2.5
system), I see these compilation warning:
../lib/vasnprintf.c:3400: warning: implicit declaration of function 'mbszero'
../src/df.c:323: warning: implicit declaration of function 'mbszero'
../src/ls.c:4586: warning: implic
Hi Sam,
Testing the current coreutils with the current gnulib, there is an
undefined behaviour in crc-x86_64-pclmul.c.
Found by building on Ubuntu 24.04, with clang 19,
CC="clang
-fsanitize=address,undefined,signed-integer-overflow,shift,integer-divide-by-zero
-fno-sanitize-recover=undefined"
Hi Pádraig,
> A small issue with the readutmp test is it fails on systems with an uptime >=
> 5 years.
> cfarm135 is such a system currently, and the test fails like:
>
> FAIL: test-readutmp
> ===
> Here are the read_utmp results.
> Flags: B = Boot, U = User Process
> Time (
On 30/07/2023 14:21, Bruno Haible wrote:
Paul Eggert wrote:
+static void
+copy_utmp_entry (STRUCT_UTMP *dst, STRUCT_UTMP *src)
+{
+#if __GLIBC__ && _TIME_BITS == 64
+ /* Convert from external form in SRC to internal form in DST.
+ It is OK to convert now, rather than earlier, before
+ d
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