https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102100
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |12.0
Known to fail| |12.0
Status|UNCONFIRMED |ASSIGNED
Summary|_GLIBCXX_ASSERTIONS |[12 Regression]
|information missing under |_GLIBCXX_ASSERTIONS
|_GLIBCXX_VERBOSE==1. |information missing under
| |_GLIBCXX_VERBOSE==1.
Known to work| |11.2.1
Assignee|unassigned at gcc dot gnu.org |redi at gcc dot gnu.org
Last reconfirmed| |2021-08-27
Ever confirmed|0 |1
Keywords| |diagnostic
Priority|P3 |P2
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
This is because of PR libstdc++/101429 where you complained about the
assertions.
The problem is that _GLIBCXX_VERBOSE isn't defined yet at that point in the
c++config.h file, so it's always false.
