http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57781
Bug ID: 57781
Summary: g++ 4.7 segfaults on trivial example program
Product: gcc
Version: 4.7.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: larsmans at gmail dot com
Created attachment 30422
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30422&action=edit
Preprocessed source code that triggers the bug
Using GCC 4.7.3 from Debian:
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.7/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.7.3-4'
--with-bugurl=file:///usr/share/doc/gcc-4.7/README.Bugs
--enable-languages=c,c++,go,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.7 --enable-shared --enable-linker-build-id
--libexecdir=/usr/lib --without-included-gettext --enable-threads=posix
--with-gxx-include-dir=/usr/include/c++/4.7 --libdir=/usr/lib --enable-nls
--with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug
--enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin
--with-system-zlib --enable-objc-gc --with-cloog --enable-cloog-backend=ppl
--disable-cloog-version-check --disable-ppl-version-check --enable-multiarch
--with-arch-32=i586 --with-abi=m64 --with-multilib-list=m32,m64,mx32
--with-tune=generic --enable-checking=release --build=x86_64-linux-gnu
--host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.7.3 (Debian 4.7.3-4)
On the attached preprocessed C++ source file, the compiler segfaults:
$ g++ -c a.ii
a.cc:3:17: warning: non-static data member initializers only available with
-std=c++11 or -std=gnu++11 [enabled by default]
a.cc: In constructor ‘A::B::B()’:
a.cc:2:12: internal compiler error: Segmentation fault
Similarly in C++11 mode:
$ g++ -std=c++11 -c a.ii
a.cc: In constructor ‘constexpr A::B::B()’:
a.cc:2:12: internal compiler error: Segmentation fault
