http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51304
Bug #: 51304
Summary: gcc segfaults for large -ftemplate-depth values (if
depth is reached)
Classification: Unclassified
Product: gcc
Version: 4.6.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: f15eda6c9ab805704208e911e97c69be@dead-science.dyndns.o
rg
Created attachment 25912
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25912
template parameter recursion to compute the ackermann function
g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.6.1/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro
4.6.1-9ubuntu3' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++,go --prefix=/usr
--program-suffix=-4.6 --enable-shared --enable-linker-build-id
--with-system-zlib --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-plugin
--enable-objc-gc --disable-werror --with-arch-32=i686 --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 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3)
When compiling the source *ackermann.cpp* for the attached file *ackermann.ii*
with
g++ -Wall -std=c++0x -ftemplate-depth=100000 -save-temps ackermann.cpp
I get the following error:
g++: internal compiler error: Segmentation fault (program cc1plus)
