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* [Bug c++/66769] New: internal compiler error: Segmentation fault
@ 2015-07-05 20:03 fiesh at zefix dot tv
  2015-07-05 20:06 ` [Bug c++/66769] " fiesh at zefix dot tv
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: fiesh at zefix dot tv @ 2015-07-05 20:03 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66769

            Bug ID: 66769
           Summary: internal compiler error: Segmentation fault
           Product: gcc
           Version: 4.9.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: fiesh at zefix dot tv
  Target Milestone: ---

Created attachment 35914
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35914&action=edit
Preprocessed test case

The following simple C++14 program leads to a segmentation fault:

#include <vector>

class A
{
        int f(int a) const;
        int g() const;
};

int A::f(int a) const
{
        return 0;
}

int A::g() const
{
        const auto r = [&] (const auto begin, const auto end) {
                for(auto iter = begin; iter != end; ++iter) {
                        const auto newV = f(*iter);
                }
        };
        std::vector<int> p;
        r(p.begin(), p.end());
}

Output of g++ -v --save-temps -c -std=c++14 test.cpp:

Using built-in specs.
COLLECT_GCC=/usr/x86_64-pc-linux-gnu/gcc-bin/4.9.2/g++
Target: x86_64-pc-linux-gnu
Configured with: /tmp/portage/sys-devel/gcc-4.9.2/work/gcc-4.9.2/configure
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.9.2
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.2
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.2/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.2/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/include/g++-v4
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/4.9.2/python
--enable-languages=c,c++,java,fortran --enable-obsolete --enable-secureplt
--disable-werror --with-system-zlib --disable-nls --enable-checking=release
--with-bugurl=https://bugs.gentoo.org/ --with-pkgversion='Gentoo 4.9.2 p1.0,
pie-0.6.2' --enable-libstdcxx-time --enable-shared --enable-threads=posix
--enable-__cxa_atexit --enable-clocale=gnu --enable-multilib
--with-multilib-list=m32,m64 --disable-altivec --disable-fixed-point
--enable-targets=all --enable-libgomp --disable-libmudflap --disable-libssp
--enable-lto --without-cloog --enable-libsanitizer
Thread model: posix
gcc version 4.9.2 (Gentoo 4.9.2 p1.0, pie-0.6.2) 
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-c' '-std=c++1y' '-shared-libgcc'
'-mtune=generic' '-march=x86-64'
 /usr/libexec/gcc/x86_64-pc-linux-gnu/4.9.2/cc1plus -E -quiet -v -D_GNU_SOURCE
test.cpp -mtune=generic -march=x86-64 -std=c++1y -fpch-preprocess
-fstack-protector-strong -o test.ii
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/../../../../x86_64-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/include/g++-v4
 /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/include/g++-v4/x86_64-pc-linux-gnu
 /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/include/g++-v4/backward
 /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/include
 /usr/local/include
 /usr/lib/gcc/x86_64-pc-linux-gnu/4.9.2/include-fixed
 /usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-c' '-std=c++1y' '-shared-libgcc'
'-mtune=generic' '-march=x86-64'
 /usr/libexec/gcc/x86_64-pc-linux-gnu/4.9.2/cc1plus -fpreprocessed test.ii
-quiet -dumpbase test.cpp -mtune=generic -march=x86-64 -auxbase test -std=c++1y
-version -fstack-protector-strong -o test.s
GNU C++ (Gentoo 4.9.2 p1.0, pie-0.6.2) version 4.9.2 (x86_64-pc-linux-gnu)
        compiled by GNU C version 4.9.2, GMP version 6.0.0, MPFR version
3.1.2-p10, MPC version 1.0.2
warning: GMP header version 6.0.0 differs from library version 5.1.3.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU C++ (Gentoo 4.9.2 p1.0, pie-0.6.2) version 4.9.2 (x86_64-pc-linux-gnu)
        compiled by GNU C version 4.9.2, GMP version 6.0.0, MPFR version
3.1.2-p10, MPC version 1.0.2
warning: GMP header version 6.0.0 differs from library version 5.1.3.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 6006c08ba8610f854ee9dcebaa676938
test.cpp: In lambda function:
test.cpp:18:29: internal compiler error: Segmentation fault
    const auto newV = f(*iter);
                             ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <https://bugs.gentoo.org/> for instructions.


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2015-07-05 20:03 [Bug c++/66769] New: internal compiler error: Segmentation fault fiesh at zefix dot tv
2015-07-05 20:06 ` [Bug c++/66769] " fiesh at zefix dot tv
2015-07-06  6:59 ` fiesh at zefix dot tv
2015-07-06 12:04 ` fiesh at zefix dot tv
2015-07-06 12:15 ` trippels at gcc dot gnu.org

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