[Bug c++/45822] New: [4.6-regression] Qt 4.7.0 declarative build fails

["vanboxem.ruben at gmail dot com" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45822

           Summary: [4.6-regression] Qt 4.7.0 declarative build fails
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: vanboxem.ruben@gmail.com


gcc -v:
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=m:/development/mingw64/bin/../libexec/gcc/x86_64-w64-mingw32/4.6.0/lto-wrapper.exe
Target: x86_64-w64-mingw32
Configured with: ../../src/gcc/configure --host=x86_64-w64-mingw32
--build=x86_64-w64-mingw32 --target=x86_64-w64-mingw32 --prefix=/mingw64
--with-sysroot=/mingw64 --enable-lto --disable-multilib --enable-shared
--enable-stage1-languages=c,lto --enable-languages=c,c++,lto
--with-libiconv-prefix=/home/Ruben/mingw64/build64/gcc-libs
--with-libexpat-prefix=/home/Ruben/mingw64/build64/gcc-libs
--with-gmp=/home/Ruben/mingw64/build64/gcc-libs
--with-mpfr=/home/Ruben/mingw64/build64/gcc-libs
--with-mpc=/home/Ruben/mingw64/build64/gcc-libs --disable-win32-registry
--enable-fully-dynamic-string --enable-checking=release --disable-werror
--disable-nls CFLAGS='-O2 -mtune=core2 -fomit-frame-pointer
-momit-leaf-frame-pointer' LFLAGS=-no-undefined BOOT_CFLAGS= 'BOOT_LFLAGS=-flto
-fwhopr=2' TARGET_CFLAGS= 'TARGET_LFLAGS=-flto -fwhopr=2'
Thread model: win32
gcc version 4.6.0 20100918 (experimental) (GCC)

This is built from a snapshot and patched for
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45580

Command used to compile the file and its output:
g++ -c -O2 -Wall -frtti -fexceptions -mthreads -DQT_SHARED -DQT_THREAD_SUPPORT
-DUNICODE -DQT_LARGEFILE_SUPPORT -DQT_BUILD_DECLARATIVE_LIB
-DQT_NO_URL_CAST_FROM_STRING -DQT_MAKEDLL -DQT_NO_CAST_TO_ASCII
-DQT_ASCII_CAST_WARNINGS -DQT3_SUPPORT -DQT_MOC_COMPAT
-DQT_USE_FAST_OPERATOR_PLUS -DQT_USE_FAST_CONCATENATION -D_USE_MATH_DEFINES
-DQT_DLL -DQT_NO_DEBUG -DQT_SCRIPT_LIB -DQT_SVG_LIB -DQT_SQL_LIB
-DQT_XMLPATTERNS_LIB -DQT_OPENGL_LIB -DQT_GUI_LIB -DQT_NETWORK_LIB
-DQT_CORE_LIB -I"..\..\include\QtCore" -I"..\..\include\QtNetwork"
-I"..\..\include\QtGui" -I"..\..\include\QtOpenGL"
-I"..\..\include\QtXmlPatterns" -I"..\..\include\QtSql" -I"..\..\include\QtSvg"
-I"..\..\include\QtScript" -I"..\..\include" -I"..\..\include\QtDeclarative"
-I"tmp\rcc\release_shared" -I"tmp"
-I"m:\Development\Source\qt\src\declarative\util"
-I"m:\Development\Source\qt\src\declarative\graphicsitems"
-I"m:\Development\Source\qt\src\declarative\qml"
-I"m:\Development\Source\qt\src\declarative\qml\parser"
-I"m:\Development\Source\qt\src\declarative\qml\rewriter"
-I"m:\Development\Source\qt\src\declarative\debugger"
-I"..\..\include\ActiveQt" -I"tmp\moc\release_shared"
-I"m:\Development\Source\qt\src\declarative" -I"." -I"..\..\mkspecs\win32-g++"
-o tmp\obj\release_shared\qdeclarativeitemsmodule.o
m:\Development\Source\qt\src\declarative\graphicsitems\qdeclarativeitemsmodule.cpp
In file included from ..\..\include/QtDeclarative/qdeclarativeprivate.h:1:0,
                 from
..\..\include\QtDeclarative/../../../../Source/qt/src/declarative/qml/qdeclarative.h:45,
                 from ..\..\include\QtDeclarative/qdeclarative.h:1,
                 from
..\..\include\QtDeclarative/private/../../../../../Source/qt/src/declarative/graphicsitems/qdeclarativeitemsmodule_p.h:45,
                 from
..\..\include\QtDeclarative/private/qdeclarativeitemsmodule_p.h:1,
                 from
m:\Development\Source\qt\src\declarative\graphicsitems\qdeclarativeitemsmodule.cpp:42:
..\..\include/QtDeclarative/../../../../Source/qt/src/declarative/qml/qdeclarativeprivate.h:
In constructor
'QDeclarativePrivate::QDeclarativeElement<QGraphicsWidget>::QDeclarativeElement()':
..\..\include/QtDeclarative/../../../../Source/qt/src/declarative/qml/qdeclarativeprivate.h:85:11:
  instantiated from 'void QDeclarativePrivate::createInto(void*) [with T =
QGraphicsWidget]'
..\..\include\QtDeclarative/../../../../Source/qt/src/declarative/qml/qdeclarative.h:185:5:
  instantiated from 'int qmlRegisterType(const char*, int, int, const char*)
[with T = QGraphicsWidget]'
m:\Development\Source\qt\src\declarative\graphicsitems\qdeclarativeitemsmodule.cpp:154:64:
  instantiated from here
..\..\include/QtDeclarative/../../../../Source/qt/src/declarative/qml/qdeclarativeprivate.h:85:11:
error: no matching function for call to 'QFlags<Qt::WindowType>::QFlags(int)'
..\..\include/QtCore/../../../../Source/qt/src/corelib/global/qglobal.h:2181:12:
note: candidates are: QFlags<Enum>::QFlags(QFlag) [with Enum = Qt::WindowType]
..\..\include/QtCore/../../../../Source/qt/src/corelib/global/qglobal.h:2180:12:
note:                 QFlags<Enum>::QFlags(QFlags<Enum>::Zero) [with Enum =
Qt::WindowType, QFlags<Enum>::Zero = void**]
..\..\include/QtCore/../../../../Source/qt/src/corelib/global/qglobal.h:2179:12:
note:                 QFlags<Enum>::QFlags(Enum) [with Enum = Qt::WindowType]
..\..\include/QtCore/../../../../Source/qt/src/corelib/global/qglobal.h:2178:12:
note:                 QFlags<Enum>::QFlags(const QFlags<Enum>&) [with Enum =
Qt::WindowType, QFlags<Enum> = QFlags<Qt::WindowType>]
..\..\include/QtDeclarative/../../../../Source/qt/src/declarative/qml/qdeclarativeprivate.h:
In function 'void QDeclarativePrivate::createInto(void*) [with T =
QGraphicsWidget]':
..\..\include/QtDeclarative/../../../../Source/qt/src/declarative/qml/qdeclarativeprivate.h:94:37:
note: synthesized method
'QDeclarativePrivate::QDeclarativeElement<QGraphicsWidget>::QDeclarativeElement()'
first required here

GCC 4.5.2 (snapshot) and 4.4.5 (snapshot) don't exhibit this behavior and
compile the file fine.

The attached zip files contain the preprocessed sources for GCC 4.5 and the
above GCC 4.6.