[PATCH 7/8] libstdc++: Fix -Wsign-compare issue

[Matthias Kretz via Gcc-patches]

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

libstdc++-v3/ChangeLog:

        * include/experimental/bits/simd_builtin.h (_S_set): Compare as
        int. The actual range of these indexes is very small.
---
 libstdc++-v3/include/experimental/bits/simd_builtin.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


--
──────────────────────────────────────────────────────────────────────────
 Dr. Matthias Kretz                           https://mattkretz.github.io
 GSI Helmholtz Centre for Heavy Ion Research               https://gsi.de
 stdₓ::simd
──────────────────────────────────────────────────────────────────────────
diff --git a/libstdc++-v3/include/experimental/bits/simd_builtin.h b/libstdc++-v3/include/experimental/bits/simd_builtin.h
index 0e75f941288..30bbfa7d478 100644
--- a/libstdc++-v3/include/experimental/bits/simd_builtin.h
+++ b/libstdc++-v3/include/experimental/bits/simd_builtin.h
@@ -2875,7 +2875,7 @@ _S_bit_xor(const _SimdWrapper<_Tp, _Np>& __x, const _SimdWrapper<_Tp, _Np>& __y)
 		__k = __generate_from_n_evaluations<_Np,
 						    __vector_type_t<_Tp, _Np>>(
 		  [&](auto __j) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA {
-		    if (__i == __j)
+		    if (__i == static_cast<int>(__j))
 		      return _Tp(-__x);
 		    else
 		      return __k[+__j];