[Bug c++/20681] [4.4/4.5/4.6/4.7 Regression] wrong "control reaches" warning with switches

[dimhen at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20681

--- Comment #31 from Dmitry G. Dyachenko <dimhen at gmail dot com> 2011-11-15 14:10:33 UTC ---
gcc -Wreturn-type -c r.c
r.c: In function 'bar':
r.c:8:1: warning: control reaches end of non-void function [-Wreturn-type]

enum foo { e_1 };
int bar(enum foo x)
{
    switch(x) {
    case e_1:
    return 0;
    }
}

gcc version 4.7.0 20111115 (experimental) [trunk revision 181378] (GCC)