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Type: Bug
Resolution: Out of scope
Priority: P3: Somewhat important
Fix Version/s: None
Affects Version/s: 5.1.1
Component/s: GUI: Painting
Labels:
None
Environment:
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86

Description

When compiling qtbase MSVC2010 SP1 generates lots of C4275 warnings:

...
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(157) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_cast'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(156) : see declaration of 'std::bad_cast'
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(178) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_typeid'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(177) : see declaration of 'std::bad_typeid'
	cl -c -nologo -Zm200 -Zc:wchar_t -O2 -MD -Oy- -Gy -GS -Gm- -EHsc -W4 -wd4100 -wd4127 -wd4189 -wd4239 -wd4244 -wd4245 -wd4512 -wd4702 -DUNICODE -DWIN32 -D_WINDOWS -D_UNICODE -D_CRT_SECURE_NO_DEPRECATE -D_HAS_EXCEPTIONS=0 -DNOMINMAX -DWIN32_LEAN_AND_MEAN=1 -D_WIN32_WINNT=0x0600 -DWINVER=0x0600 -DANGLE_DISABLE_TRACE -DANGLE_DISABLE_PERF -DANGLE_COMPILE_OPTIMIZATION_LEVEL=D3DCOMPILE_OPTIMIZATION_LEVEL0 -DANGLE_USE_NEW_PREPROCESSOR=1 -DNDEBUG -D_SECURE_SCL=0 -DQT_NO_DYNAMIC_CAST -I"D:\dev\qt\qt-rls\src\qtbase\src\3rdparty\angle\src\compiler\preprocessor" -I"." -I"..\..\..\..\..\mkspecs\win32-msvc2010" -Fo.obj\release_shared\ @C:\Users\kkoehne\AppData\Local\Temp\ExpressionParser.obj.1148.1141.jom
ExpressionParser.cpp
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(157) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_cast'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(156) : see declaration of 'std::bad_cast'
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(178) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_typeid'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(177) : see declaration of 'std::bad_typeid'
	lib /NOLOGO  /OUT:..\..\..\..\..\lib\preprocessor.lib @C:\Users\kkoehne\AppData\Local\Temp\preprocessor.lib.1148.2187.jom
	( if not exist Makefile.translator_common D:\dev\qt\qt-rls\msvc-2010-32\qtbase\bin\qmake D:\dev\qt\qt-rls\src\qtbase\src\angle\src\compiler\translator_common.pro -o Makefile.translator_common ) && C:\jom\jom.exe -f Makefile.translator_common
	C:\jom\jom.exe -f Makefile.translator_common.Debug all
	cl -c -nologo -Zm200 -Zc:wchar_t -Zi -MDd -Oy- -Gy -GS -Gm- -RTC1 -EHsc -GR -W4 -wd4100 -wd4127 -wd4189 -wd4239 -wd4244 -wd4245 -wd4512 -wd4702 -DUNICODE -DWIN32 -D_WINDOWS -D_UNICODE -D_CRT_SECURE_NO_DEPRECATE -D_HAS_EXCEPTIONS=0 -DNOMINMAX -DWIN32_LEAN_AND_MEAN=1 -D_WIN32_WINNT=0x0600 -DWINVER=0x0600 -DANGLE_DISABLE_TRACE -DANGLE_DISABLE_PERF -DANGLE_COMPILE_OPTIMIZATION_LEVEL=D3DCOMPILE_OPTIMIZATION_LEVEL0 -DANGLE_USE_NEW_PREPROCESSOR=1 -D_DEBUG -D_SECURE_SCL=0 -D_LIB -DCOMPILER_IMPLEMENTATION -I"D:\dev\qt\qt-rls\src\qtbase\src\angle\src\compiler" -I"D:\dev\qt\qt-rls\src\qtbase\src\angle\src" -I"D:\dev\qt\qt-rls\src\qtbase\src\angle\src\..\include" -I"D:\dev\qt\qt-rls\src\qtbase\src\3rdparty\angle\src" -I"D:\dev\qt\qt-rls\src\qtbase\src\3rdparty\angle\include" -I"." -I"..\..\..\..\mkspecs\win32-msvc2010" -Fo.obj\debug_shared\ @C:\Users\kkoehne\AppData\Local\Temp\BuiltInFunctionEmulator.obj.940.47.jom
BuiltInFunctionEmulator.cpp
Compiler.cpp
debug.cpp
DetectRecursion.cpp
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(157) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_cast'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(156) : see declaration of 'std::bad_cast'
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(178) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_typeid'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(177) : see declaration of 'std::bad_typeid'
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(157) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_cast'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(156) : see declaration of 'std::bad_cast'
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(178) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_typeid'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(177) : see declaration of 'std::bad_typeid'
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(157) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_cast'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(156) : see declaration of 'std::bad_cast'
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(178) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_typeid'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(177) : see declaration of 'std::bad_typeid'
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(157) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_cast'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(156) : see declaration of 'std::bad_cast'
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(178) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_typeid'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(177) : see declaration of 'std::bad_typeid'
Diagnostics.cpp
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(157) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_cast'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(156) : see declaration of 'std::bad_cast'
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(178) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_typeid'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(177) : see declaration of 'std::bad_typeid'
DirectiveHandler.cpp
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(157) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_cast'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(156) : see declaration of 'std::bad_cast'
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(178) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_typeid'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(177) : see declaration of 'std::bad_typeid'
ForLoopUnroll.cpp
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(157) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_cast'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(156) : see declaration of 'std::bad_cast'
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(178) : warning C4275: non dll-interface class 'stdext::exception' used as base for dll-interface class 'std::bad_typeid'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\exception(218) : see declaration of 'stdext::exception'
        C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\typeinfo(177) : see declaration of 'std::bad_typeid'
	cl -c -nologo -Zm200 -Zc:wchar_t -Zi -MDd -Oy- -Gy -GS -Gm- -RTC1 -EHsc -GR -W4 -wd4100 -wd4127 -wd4189 -wd4239 -wd4244 -wd4245 -wd4512 -wd4702 -DUNICODE -DWIN32 -D_WINDOWS -D_UNICODE -D_CRT_SECURE_NO_DEPRECATE -D_HAS_EXCEPTIONS=0 -DNOMINMAX -DWIN32_LEAN_AND_MEAN=1 -D_WIN32_WINNT=0x0600 -DWINVER=0x0600 -DANGLE_DISABLE_TRACE -DANGLE_DISABLE_PERF -DANGLE_COMPILE_OPTIMIZATION_LEVEL=D3DCOMPILE_OPTIMIZATION_LEVEL0 -DANGLE_USE_NEW_PREPROCESSOR=1 -D_DEBUG -D_SECURE_SCL=0 -D_LIB -DCOMPILER_IMPLEMENTATION -I"D:\dev\qt\qt-rls\src\qtbase\src\angle\src\compiler" -I"D:\dev\qt\qt-rls\src\qtbase\src\angle\src" -I"D:\dev\qt\qt-rls\src\qtbase\src\angle\src\..\include" -I"D:\dev\qt\qt-rls\src\qtbase\src\3rdparty\angle\src" -I"D:\dev\qt\qt-rls\src\qtbase\src\3rdparty\angle\include" -I"." -I"..\..\..\..\mkspecs\win32-msvc2010" -Fo.obj\debug_shared\ @C:\Users\kkoehne\AppData\Local\Temp\MapLongVariableNames.obj.940.47.jom
MapLongVariableNames.cpp
ossource_win.cpp
...

This seems to indeed be an inconsistency in the MSVC STL headers: If _HAS_EXCEPTIONS is not defined, exception, bad_cast, bad_typeid are defined as:

class exception
	{	// base of all library exceptions

class _CRTIMP2 bad_cast
	: public exception
	{	// base of all bad cast exceptions

class _CRTIMP2 bad_typeid
	: public exception
	{	// base of all bad typeid exceptions

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Assignee:: Kai Köhne

Reporter:: Kai Köhne

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Dates

Created:: 06 Aug '13 11:07

Updated:: 01 Jul '18 13:30

Resolved:: 01 Jul '18 13:30

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