https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92670
Bug ID: 92670
Summary: Same error message duplicates for C++20 "deprecated"
attribute
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: euloanty at live dot com
Target Milestone: ---
Here is an example:
[[deprecated("sha1 is no longer a secure algorithm, see wikipedia. The
SHAppening: https://en.wikipedia.org/wiki/SHA-1#The_SHAppening";)]]
inline constexpr void flush(sha1& sh);
Then:
D:\hg\fast_io\examples\0048.hash>g++ -o sha1 sha1.cc -Ofast -std=c++2a
-fconcepts
sha1.cc: In function 'int main(int, char**)':
sha1.cc:16:12: warning: 'constexpr void
fast_io::{anonymous}::flush(fast_io::{anonymous}::sha1&)' is deprecated: sha1
is no longer a secure algorithm, see wikipedia. The SHAppening:
https://en.wikipedia.org/wiki/SHA-1#The_SHAppening
[ttps://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wdeprecated-declarationsdeprecated-declarations]
16 | flush(sha1);
| ^
In file included from ../../include/fast_io_hash.h:4,
from sha1.cc:3:
../../include/fast_io_hash/sha1.h:234:23: note: declared here
234 | inline constexpr void flush(sha1& sh)
| ^~~~~
sha1.cc:16:12: warning: 'constexpr void
fast_io::{anonymous}::flush(fast_io::{anonymous}::sha1&)' is deprecated: sha1
is no longer a secure algorithm, see wikipedia. The SHAppening:
https://en.wikipedia.org/wiki/SHA-1#The_SHAppening
[ttps://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html#index-Wdeprecated-declarationsdeprecated-declarations]
16 | flush(sha1);
| ^
In file included from ../../include/fast_io_hash.h:4,
from sha1.cc:3:
../../include/fast_io_hash/sha1.h:234:23: note: declared here
234 | inline constexpr void flush(sha1& sh)
| ^~~~~
Full source code is here:
https://bitbucket.org/ejsvifq_mabmip/fast_io/src/default/include/fast_io_hash/sha1.h
https://bitbucket.org/ejsvifq_mabmip/fast_io/src/default/examples/0048.hash/sha1.cc
