[Bug c++/55497] New: Local array (char[]) initialized with a size taken from a static variable creates an ICE

[greg.burri at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55497



             Bug #: 55497

           Summary: Local array (char[]) initialized with a size taken

                    from a static variable creates an ICE

    Classification: Unclassified

           Product: gcc

           Version: 4.7.2

            Status: UNCONFIRMED

          Severity: major

          Priority: P3

         Component: c++

        AssignedTo: unassig...@gcc.gnu.org

        ReportedBy: greg.bu...@gmail.com





The following lines (41+42) crashes GCC 4.7.2 with an "internal compiler error:

Segmentation fault" message:



https://github.com/Ummon/D-LAN/blob/1.1.0beta13/application/Core/FileManager/priv/Cache/DataWriter.cpp#L42





If the lines are rewritten as this, it compiles without crashing (obviously):



    static const quint32 BUFFER_SIZE = 42;

    char buffer[BUFFER_SIZE];



It compiles well with GCC 4.6.2



Command line and GCC 4.7.2 message:



make[1]: Entering directory `/home/gburri/D-LAN/application/Core/FileManager'

g++ -c -pipe -std=c++0x -g -fPIC -Wall -Wno-parentheses -D_REENTRANT

-DQT_WEBKIT -DDEBUG -DFILEMANAGER_LIBRARY -DQT_NETWORK_LIB -DQT_CORE_LIB

-DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++ -I. -I/usr/include/qt4/QtCore

-I/usr/include/qt4/QtNetwork -I/usr/include/qt4 -I. -I../.. -I.tmp/debug -o

.tmp/debug/DataWriter.o priv/Cache/DataWriter.cpp

priv/Cache/DataWriter.cpp: In constructor

'FM::DataWriter::DataWriter(FM::Chunk&)':

priv/Cache/DataWriter.cpp:62:1: internal compiler error: Segmentation fault