https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109647
Bug ID: 109647
Summary: ranges:6151:14: error: requires clause differs in
template redeclaration rejected by clang++ 16.0.2
Product: gcc
Version: 14.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: redi at gcc dot gnu.org
Target Milestone: ---
Apparently, clang++ 16.0.2 can't digest libstdc++ version of ranges header
file:
echo '#include <ranges>' | clang++ -x c++ - -c -std=c++2b
In file included from <stdin>:1:
/usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/ranges:6151:14:
error: requires clause differs in template redeclaration
requires forward_range<_Vp>
^
/usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/ranges:5850:14:
note: previous template declaration is here
requires input_range<_Vp>
^
/usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/ranges:8846:20:
error: type-id cannot have a name
{ return (auto(__x) += __y); }
^
/usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/ranges:8846:25:
error: expected ')'
{ return (auto(__x) += __y); }
^
/usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/ranges:8846:14:
note: to match this '('
{ return (auto(__x) += __y); }
^
/usr/bin/../lib64/gcc/x86_64-suse-linux/13/../../../../include/c++/13/ranges:8846:32:
error: expected expression
{ return (auto(__x) += __y); }
^
4 errors generated.
$ echo '#include <ranges>' | g++-13 -x c++ - -c -std=c++2b
(ok)
