[Bug c++/105841] [12 Regression] Change in behavior of CTAD for alias templates
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105841 --- Comment #17 from Haojian Wu --- > IIRC we didn't want to commit to an API for the built-in, and we also didn't > have any motivating use cases for the it within libstdc++. Thanks for the reply. Fair enough.
[Bug c++/105841] [12 Regression] Change in behavior of CTAD for alias templates
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105841 --- Comment #16 from Patrick Palka --- (In reply to Haojian Wu from comment #15) > Hi, I notice that the __is_deducible was hidden in the commit > https://github.com/gcc-mirror/gcc/commit/ > 30556bf81f4385c2a9c449948865dbcf35664764. > > Is there any reason behind the change? > > (Context: I'm implementing the is_deducible part for alias CTAD in clang, > and I'm considering to add a similar builtin in clang). IIRC we didn't want to commit to an API for the built-in, and we also didn't have any motivating use cases for the it within libstdc++.
[Bug c++/105841] [12 Regression] Change in behavior of CTAD for alias templates
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105841 Haojian Wu changed: What|Removed |Added CC||hokein.wu at gmail dot com --- Comment #15 from Haojian Wu --- Hi, I notice that the __is_deducible was hidden in the commit https://github.com/gcc-mirror/gcc/commit/30556bf81f4385c2a9c449948865dbcf35664764. Is there any reason behind the change? (Context: I'm implementing the is_deducible part for alias CTAD in clang, and I'm considering to add a similar builtin in clang).
[Bug c++/105841] [12 Regression] Change in behavior of CTAD for alias templates
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105841 Jason Merrill changed: What|Removed |Added Target Milestone|12.4|13.0 Resolution|--- |FIXED Status|ASSIGNED|RESOLVED --- Comment #14 from Jason Merrill --- This was a big enough change that I lean toward not backporting.
[Bug c++/105841] [12 Regression] Change in behavior of CTAD for alias templates
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105841 Richard Biener changed: What|Removed |Added Target Milestone|12.3|12.4 --- Comment #13 from Richard Biener --- GCC 12.3 is being released, retargeting bugs to GCC 12.4.
[Bug c++/105841] [12 Regression] Change in behavior of CTAD for alias templates
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105841 Jason Merrill changed: What|Removed |Added Known to work||13.0 Summary|[12/13 Regression] Change |[12 Regression] Change in |in behavior of CTAD for |behavior of CTAD for alias |alias templates |templates Known to fail|13.0| --- Comment #12 from Jason Merrill --- Fixed for GCC 13 so far.
