On Fri, Aug 15, 2014 at 10:29 PM, Aldy Hernandez <aldy...@gmail.com> wrote: > This test is failing with LTO because in the LTRANS phase (DCE) we realize > that the call to f() is useless, so we don't generate it. This leads to an > uncalled f() which also gets deleted. We end up with an empty main(), and > rightly so, gdb has nothing good to print. > > Marking `a1' as used keeps things in good enough shape so everyone is happy. > > OK for mainline?
Ok. Thanks, Richard. > * guality/nrv-1.c: Add `used' attribute to a1. > > diff --git a/gcc/testsuite/gcc.dg/guality/nrv-1.c > b/gcc/testsuite/gcc.dg/guality/nrv-1.c > index 6e70050..2f4e654 100644 > --- a/gcc/testsuite/gcc.dg/guality/nrv-1.c > +++ b/gcc/testsuite/gcc.dg/guality/nrv-1.c > @@ -8,7 +8,7 @@ struct A > int i[100]; > }; > > -struct A a1, a3; > +struct A a1 __attribute__((used)), a3; > > __attribute__((noinline)) struct A > f () >
