http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46701
Andreas Beckmann <gcc at abeckmann dot de> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |gcc at abeckmann dot de
--- Comment #8 from Andreas Beckmann <gcc at abeckmann dot de> 2010-12-09
01:02:18 UTC ---
Another small minimized testcase for this problem which fails on 4.6 and
succeeds on 4.5:
===== 8< =====
struct A
{
int i ;
} ;
struct B
{
const A a ;
constexpr
B () : a ( A () )
{ }
} ;
===== >8 =====
$ g++-trunk -v -c -W -Wall -std=c++0x PR46701.min.ii
Using built-in specs.
COLLECT_GCC=/opt/software/x86_64/gcc-trunk/bin/g++-trunk
COLLECT_LTO_WRAPPER=/opt/software/x86_64/gcc-trunk/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-trunk/configure --prefix=/opt/software/x86_64/gcc-trunk
--program-suffix=-trunk --enable-languages=c,c++ --enable-checking
Thread model: posix
gcc version 4.6.0 20101207 (experimental) (GCC)
COLLECT_GCC_OPTIONS='-v' '-c' '-Wextra' '-Wall' '-std=c++0x' '-shared-libgcc'
'-mtune=generic' '-march=x86-64'
/opt/software/x86_64/gcc-trunk/libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/cc1plus
-fpreprocessed PR46701.min.ii -quiet -dumpbase PR46701.min.ii -mtune=generic
-march=x86-64 -auxbase PR46701.min -Wextra -Wall -std=c++0x -version -o
/tmp/cc22qtoi.s
GNU C++ (GCC) version 4.6.0 20101207 (experimental) (x86_64-unknown-linux-gnu)
compiled by GNU C version 4.6.0 20101207 (experimental), GMP version
4.3.2, MPFR version 3.0.0-p3, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C++ (GCC) version 4.6.0 20101207 (experimental) (x86_64-unknown-linux-gnu)
compiled by GNU C version 4.6.0 20101207 (experimental), GMP version
4.3.2, MPFR version 3.0.0-p3, MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 58dd45b357216c1e9d23aab2b8f87581
PR46701.min.ii: In constructor ‘constexpr B::B()’:
PR46701.min.ii:11:4: internal compiler error: in
build_data_member_initialization, at cp/semantics.c:5489
Please submit a full bug report,
