On 23 July 2015 at 13:17, Richard Biener <rguent...@suse.de> wrote: > On Thu, 23 Jul 2015, Kyrill Tkachov wrote: > >> >> On 23/07/15 10:02, Andreas Schwab wrote: >> > Richard Biener <rguent...@suse.de> writes: >> > >> > > Index: gcc/testsuite/gcc.dg/torture/pr66952.c >> > > =================================================================== >> > > --- gcc/testsuite/gcc.dg/torture/pr66952.c (revision 0) >> > > +++ gcc/testsuite/gcc.dg/torture/pr66952.c (working copy) >> > > @@ -0,0 +1,28 @@ >> > > +/* { dg-do run } */ >> > > + >> > > +int a = 128, b; >> > > + >> > > +static int >> > > +fn1 (char p1, int p2) >> > > +{ >> > > + return p1 < 0 || p1 > 1 >> p2 ? 0 : p1 << 1; >> > This is broken, p1 can never be < 0. >> >> Just mark the chars as signed chars? >> The testcase passes for me with that change. > > Ah - I always forget to double-check such testcases with both > -fsinged-char and -funsigned-char... > > Will fix. >
Hi Richard, I looks like you forgot to backport r226104 too (which forces use of signed chars). Christophe. > Richard.