[gcc r12-6855] Fortran: do not run signaling testsuite on 32-bit x86/x86_64

[Franथईois-Xavier Coudert]

https://gcc.gnu.org/g:d0336ab4e7e2eb58a64d8ee4e5e8083dd53a4d2d

commit r12-6855-gd0336ab4e7e2eb58a64d8ee4e5e8083dd53a4d2d
Author: Francois-Xavier Coudert <fxcoudert@gmail.com>
Date:   Tue Jan 25 09:07:19 2022 +0100

    Fortran: do not run signaling testsuite on 32-bit x86/x86_64
    
    gcc/testsuite/ChangeLog:
    
            * gfortran.dg/ieee/signaling_3.f90: Skip test on 32-bit x86/x86_64.

Diff:
---
 gcc/testsuite/gfortran.dg/ieee/signaling_3.f90 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcc/testsuite/gfortran.dg/ieee/signaling_3.f90 b/gcc/testsuite/gfortran.dg/ieee/signaling_3.f90
index 45bd9c3599f..22b36980896 100644
--- a/gcc/testsuite/gfortran.dg/ieee/signaling_3.f90
+++ b/gcc/testsuite/gfortran.dg/ieee/signaling_3.f90
@@ -1,4 +1,5 @@
-! { dg-do run }
+! { dg-do run { xfail { { i?86-*-* x86_64-*-* } && ilp32 } } }
+! x87 / x86-32 ABI is unsuitable for signaling NaNs
 !
 program test
   use, intrinsic :: iso_c_binding