[newlib-cygwin/main] Cygwin: Use bool return type for comparison operators in class pinfo

https://sourceware.org/git/gitweb.cgi?p=3Dnewlib-cygwin.git;h=3D1337916e9b0=
3d04dadbe35adf8cf051d24ba30c2

commit 1337916e9b03d04dadbe35adf8cf051d24ba30c2
Author: Jon Turney <[email protected]>
Date:   Tue May 26 09:57:58 2026 +0100

    Cygwin: Use bool return type for comparison operators in class pinfo
   =20
    Fixes errors when compiling with gcc 16:
   =20
    > ../../../../src/winsup/cygwin/signal.cc: In function =E2=80=98int kil=
l_pgrp(pid_t, siginfo_t&)=E2=80=99:
    > ../../../../src/winsup/cygwin/signal.cc:373:13: error: return type of=
 =E2=80=98int pinfo::operator=3D=3D(_pinfo*) const=E2=80=99 is not =E2=80=
=98bool=E2=80=99
    > ../../../../src/winsup/cygwin/signal.cc:373:13: note: used as rewritt=
en candidate for comparison of =E2=80=98_pinfo*=E2=80=99 and =E2=80=98pinfo=
=E2=80=99
    > and so on
   =20
    Signed-off-by: Jon Turney <[email protected]>

Diff:
---
 winsup/cygwin/local_includes/pinfo.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/winsup/cygwin/local_includes/pinfo.h b/winsup/cygwin/local_inc=
ludes/pinfo.h
index 6f817de6b..fe8203fbc 100644
--- a/winsup/cygwin/local_includes/pinfo.h
+++ b/winsup/cygwin/local_includes/pinfo.h
@@ -227,10 +227,10 @@ public:
   void maybe_set_exit_code_from_windows ();
   void set_exit_code (DWORD n);
   _pinfo *operator -> () const {return procinfo;}
-  int operator =3D=3D (pinfo *x) const {return x->procinfo =3D=3D procinfo=
;}
-  int operator =3D=3D (pinfo &x) const {return x.procinfo =3D=3D procinfo;}
-  int operator =3D=3D (_pinfo *x) const {return x =3D=3D procinfo;}
-  int operator =3D=3D (void *x) const {return procinfo =3D=3D x;}
+  bool operator =3D=3D (pinfo *x) const {return x->procinfo =3D=3D procinf=
o;}
+  bool operator =3D=3D (pinfo &x) const {return x.procinfo =3D=3D procinfo=
;}
+  bool operator =3D=3D (_pinfo *x) const {return x =3D=3D procinfo;}
+  bool operator =3D=3D (void *x) const {return procinfo =3D=3D x;}
   _pinfo *operator * () const {return procinfo;}
   operator _pinfo * () const {return procinfo;}
   int operator !() const {return !procinfo;}