[Bug c/71719] [7 Regression] invalid set-but-not-used warning with vectors

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71719

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Sat Jul  2 06:41:29 2016
New Revision: 237937

URL: https://gcc.gnu.org/viewcvs?rev=237937&root=gcc&view=rev
Log:
        PR c/71719
        * c-typeck.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.

        * c-c++-common/Wunused-var-15.c: New test.

Added:
    trunk/gcc/testsuite/c-c++-common/Wunused-var-15.c
Modified:
    trunk/gcc/c/ChangeLog
    trunk/gcc/c/c-typeck.c
    trunk/gcc/testsuite/ChangeLog