[Bug c++/27336] "this" pointer is not assumed to be not null

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27336 --- Comment #8 from Guillaume Melquiond --- It is partly fixed. In callee position, GCC now knows that "this" is non-null. But in caller position, GCC still cannot make use of that information to remove non-null checks from dynamic casts. The fo

[Bug c++/51571] No named return value optimization while adding a dummy scope

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51571 Guillaume Melquiond changed: What|Removed |Added CC||guillaume.melquiond at inria dot f