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From: Patrick Palka <ppalka@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc r13-2648] libstdc++: Avoid -Wparentheses warning with debug iterators Date: Tue, 13 Sep 2022 14:42:04 +0000 (GMT) [thread overview] Message-ID: <20220913144204.0B5F53858D1E@sourceware.org> (raw) https://gcc.gnu.org/g:edf6fe7800369136c1a8ddcaf75a042a3a938c84 commit r13-2648-gedf6fe7800369136c1a8ddcaf75a042a3a938c84 Author: Patrick Palka <ppalka@redhat.com> Date: Tue Sep 13 10:41:47 2022 -0400 libstdc++: Avoid -Wparentheses warning with debug iterators I noticed compiling e.g. std/ranges/adaptors/join.cc with -D_GLIBCXX_DEBUG -Wsystem-headers -Wall gives the warning: gcc/libstdc++-v3/include/debug/safe_iterator.h:477:9: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] libstdc++-v3/ChangeLog: * include/debug/safe_iterator.h (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Add parentheses to avoid -Wparentheses warning. Diff: --- libstdc++-v3/include/debug/safe_iterator.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libstdc++-v3/include/debug/safe_iterator.h b/libstdc++-v3/include/debug/safe_iterator.h index 33f7a86478a..117dc93de60 100644 --- a/libstdc++-v3/include/debug/safe_iterator.h +++ b/libstdc++-v3/include/debug/safe_iterator.h @@ -40,7 +40,7 @@ #endif #define _GLIBCXX_DEBUG_VERIFY_OPERANDS(_Lhs, _Rhs, _BadMsgId, _DiffMsgId) \ - _GLIBCXX_DEBUG_VERIFY(!_Lhs._M_singular() && !_Rhs._M_singular() \ + _GLIBCXX_DEBUG_VERIFY((!_Lhs._M_singular() && !_Rhs._M_singular()) \ || (_Lhs._M_value_initialized() \ && _Rhs._M_value_initialized()), \ _M_message(_BadMsgId) \
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