https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83924
Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2018-01-18 CC| |mpolacek at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> --- This was fixed on trunk with commit 301c8f8fce4125a095df4316cd75f5fe2fdf2c7f Author: mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4> Date: Wed Jan 10 17:05:14 2018 +0000 PR c++/82541 * call.c (build_conditional_expr_1): Check complain before warning. * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress -Wduplicated-branches. * g++.dg/warn/Wduplicated-branches4.C: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@256441 138bc75d-0d04-0410-961f-82ee72b054a4 I think the call.c hunk is enough to fix it.