https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29517
Tony Reix changed:
What|Removed |Added
CC||tony.reix at atos dot net
--- Comment #12
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94981
--- Comment #8 from Tony Reix ---
On fedora31/x86_64, when compiling with -funsigned-char, some parts of Boost
math do not compile. With some changes like: static_cast(-5) , it is easy to
make these tests to work both with -fsigned-char or
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94981
--- Comment #7 from Tony Reix ---
(In reply to Andreas Schwab from comment #1)
> Converting a negative float to an unsigned integer is undefined.
http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf says (page 43):
If the value of the
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94981
--- Comment #5 from Tony Reix ---
I'm not invoking myself directly this conversion. It is made by C++.
The original issue appeared when running tests of Boost v1.73 math library,
dealing with include code of C++ , line 324 of file:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94981
--- Comment #3 from Tony Reix ---
(In reply to Andreas Schwab from comment #1)
> Converting a negative float to an unsigned integer is undefined.
Yes, I do see some comments about this in older GCC bugs.
Like:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94981
--- Comment #2 from Tony Reix ---
Big table was too large.
Here is a shorter table.
double -2 --> char
float -2 --> char
C | C++
--|---|---|
| Default |
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: tony.reix at atos dot net
Target Milestone: ---
There are several issues dealing with GCC 8.30 and 9.3.0 (and also 10), for C
and C++, on AIX and Fedora/PPC64LE .
This appears when casting
Priority: P3
Component: other
Assignee: unassigned at gcc dot gnu.org
Reporter: tony.reix at atos dot net
Target Milestone: ---
Build libatomic with -fasynchronous-unwind-tables .
It is required on AIX, at least, for Go.
(suggestion in a discussion with Ian Lance
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78172
--- Comment #13 from Tony Reix ---
We have experimented with 20161106 snapshot and the change does work fine.
We have fixed our Proxy issue and we will work with GCC v7 trunk now.
Now investigating other issues.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78172
--- Comment #12 from Tony Reix ---
Hi Ian
We were working on official 6.2.0 version. We are now moving to trunk of
version 7. Since we have a proxy issue with SVN for now due to security rules,
we'll use the snapshots till the issue is
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78172
--- Comment #8 from Tony Reix ---
Created attachment 39947
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39947=edit
Patch for mksysinfo for ucred and in6_addr
Here is the patch I talked about in the previous comment, now as a file.
It is
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78172
--- Comment #6 from Tony Reix ---
Created attachment 39946
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39946=edit
Original sysinfo.go file
Hi Ian
Here is the sysinfo.go file that was generated at first.
The previous sysinfo.go file
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