On Thu, 23 Feb 2023 at 14:10, Saifi Khan wrote: > > Hi: > > Tried Jonny Grant's example > g++ -O3 --std=c++23 -Wall -c repro_jg01.cc Context please - which example is that? He's posted several and I'm not going to go digging through them all. > > With the mainline build, the code compiles without any error. > > Environment > - Linux 6.1.0-3-amd64 x86_64 GNU/Linux > - Debian GLIBC 2.36-8) 2.36 > - gcc version 13.0.1 20230215 (experimental) (GCC) > > Curious to know, what changed in the mainline code ? Anyone knows the commit hash ? If you don't tell us what you're compiling, we can't guess anything about it.