From 1a1abec1d618cde709c585fcce89330bb33b07ac Mon Sep 17 00:00:00 2001
From: Matthias Kretz <m.kretz@gsi.de>
Date: Thu, 25 May 2023 10:45:21 +0200
Subject: [PATCH] libstdc++: Resolve -Wsign-compare issue

Signed-off-by: Matthias Kretz <m.kretz@gsi.de>

libstdc++-v3/ChangeLog:

	* include/experimental/bits/simd_ppc.h (_S_bit_shift_left):
	Negative __y is UB, so prefer signed compare.
---
 libstdc++-v3/include/experimental/bits/simd_ppc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libstdc++-v3/include/experimental/bits/simd_ppc.h b/libstdc++-v3/include/experimental/bits/simd_ppc.h
index 2ea7234bd99f..34daa530f02e 100644
--- a/libstdc++-v3/include/experimental/bits/simd_ppc.h
+++ b/libstdc++-v3/include/experimental/bits/simd_ppc.h
@@ -64,7 +64,7 @@ template <typename _Abi, typename>
 	__x = _Base::_S_bit_shift_left(__x, __y);
 	if constexpr (sizeof(_Tp) < sizeof(int))
 	  {
-	    if (__y >= sizeof(_Tp) * __CHAR_BIT__)
+	    if (__y >= int(sizeof(_Tp) * __CHAR_BIT__))
 	      return {};
 	  }
 	return __x;
-- 
2.47.2