Details
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Bug
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Resolution: Invalid
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P4: Low
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None
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5.12.0 RC, 5.12
Description
If using std::bitset with include <QtCore>, MSVC build will be failed as below.
C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\VC\Tools\MSVC\14.10.25017\include\bitset(270): error C2666: 'operator /': 10 overloads have similar conversions C:\Qt\5.12.0\msvc2017_64\include\QtCore/qsize.h(364): note: could be 'const QSizeF operator /(const QSizeF &,qreal)' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qsize.h(194): note: or 'const QSize operator /(const QSize &,qreal)' c:\qt\5.12.0\msvc2017_64\include\qtcore\qmargins.h(427): note: or 'QMarginsF operator /(const QMarginsF &,qreal)' c:\qt\5.12.0\msvc2017_64\include\qtcore\qmargins.h(213): note: or 'QMargins operator /(const QMargins &,qreal)' c:\qt\5.12.0\msvc2017_64\include\qtcore\qmargins.h(207): note: or 'QMargins operator /(const QMargins &,int)' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(205): note: or 'double operator /(int,qfloat16) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(205): note: or 'double operator /(qfloat16,int) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(195): note: or 'float operator /(float,qfloat16) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(195): note: or 'float operator /(qfloat16,float) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(194): note: or 'double operator /(double,qfloat16) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(194): note: or 'double operator /(qfloat16,double) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(193): note: or 'long double operator /(long double,qfloat16) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(193): note: or 'long double operator /(qfloat16,long double) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(176): note: or 'qfloat16 operator /(qfloat16,qfloat16) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qpoint.h(402): note: or 'const QPointF operator /(const QPointF &,qreal)' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qpoint.h(206): note: or 'const QPoint operator /(const QPoint &,qreal)' C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\VC\Tools\MSVC\14.10.25017\include\bitset(270): note: or 'built-in C++ operator/(::size_t, )' C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\VC\Tools\MSVC\14.10.25017\include\bitset(270): note: while trying to match the argument list '(::size_t, )' C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\VC\Tools\MSVC\14.10.25017\include\bitset(266): note: while compiling class template member function 'std::bitset<8> &std::bitset<8>::set(::size_t,bool)' C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\VC\Tools\MSVC\14.10.25017\include\bitset(39): note: see reference to function template instantiation 'std::bitset<8> &std::bitset<8>::set(::size_t,bool)' being compiled ..\Qt5.12.0-C2666\main.cpp(7): note: see reference to class template instantiation 'std::bitset<8>' being compiled C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\VC\Tools\MSVC\14.10.25017\include\bitset(272): error C2666: 'operator /': 10 overloads have similar conversions C:\Qt\5.12.0\msvc2017_64\include\QtCore/qsize.h(364): note: could be 'const QSizeF operator /(const QSizeF &,qreal)' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qsize.h(194): note: or 'const QSize operator /(const QSize &,qreal)' c:\qt\5.12.0\msvc2017_64\include\qtcore\qmargins.h(427): note: or 'QMarginsF operator /(const QMarginsF &,qreal)' c:\qt\5.12.0\msvc2017_64\include\qtcore\qmargins.h(213): note: or 'QMargins operator /(const QMargins &,qreal)' c:\qt\5.12.0\msvc2017_64\include\qtcore\qmargins.h(207): note: or 'QMargins operator /(const QMargins &,int)' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(205): note: or 'double operator /(int,qfloat16) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(205): note: or 'double operator /(qfloat16,int) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(195): note: or 'float operator /(float,qfloat16) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(195): note: or 'float operator /(qfloat16,float) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(194): note: or 'double operator /(double,qfloat16) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(194): note: or 'double operator /(qfloat16,double) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(193): note: or 'long double operator /(long double,qfloat16) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(193): note: or 'long double operator /(qfloat16,long double) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qfloat16.h(176): note: or 'qfloat16 operator /(qfloat16,qfloat16) noexcept' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qpoint.h(402): note: or 'const QPointF operator /(const QPointF &,qreal)' C:\Qt\5.12.0\msvc2017_64\include\QtCore/qpoint.h(206): note: or 'const QPoint operator /(const QPoint &,qreal)' C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\VC\Tools\MSVC\14.10.25017\include\bitset(272): note: or 'built-in C++ operator/(::size_t, )' C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\VC\Tools\MSVC\14.10.25017\include\bitset(272): note: while trying to match the argument list '(::size_t, )'
This failure is appeared from Qt 5.12. Qt 5.11 can build without error.
Attachments
Issue Links
- relates to
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QTBUG-58555 MSVC 64bit: qtserialbus build failed
- Closed
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QTBUG-58555 MSVC 64bit: qtserialbus build failed
- Closed
- replaces
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QTBUG-75201 visual studio 2017 can not build std::bitset with QtCore
- Closed