[gcc r12-7021] Skip gnat.dg/div_zero.adb on PowerPC

[Eric Botcazou]

https://gcc.gnu.org/g:635504510a9410844991c68880f2e7352cacfd86

commit r12-7021-g635504510a9410844991c68880f2e7352cacfd86
Author: Eric Botcazou <ebotcazou@adacore.com>
Date:   Thu Feb 3 13:12:37 2022 +0100

    Skip gnat.dg/div_zero.adb on PowerPC
    
    The hardware instruction does not trap on divide by zero there.
    
    gcc/testsuite
            PR tree-optimization/104356
            * gnat.dg/div_zero.adb: Add dg-skip-if directive for PowerPC.

Diff:
---
 gcc/testsuite/gnat.dg/div_zero.adb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/testsuite/gnat.dg/div_zero.adb b/gcc/testsuite/gnat.dg/div_zero.adb
index c7237bd6ab6..de88951389b 100644
--- a/gcc/testsuite/gnat.dg/div_zero.adb
+++ b/gcc/testsuite/gnat.dg/div_zero.adb
@@ -1,4 +1,5 @@
 -- { dg-do run }
+-- { dg-skip-if "divide does not trap" { powerpc*-*-* } }
 
 -- This test requires architecture- and OS-specific support code for unwinding
 -- through signal frames (typically located in *-unwind.h) to pass.  Feel free