[Bug c++/50685] New: Compiler segmentation fault on AIX when constructors and destructors are implemented in the implementation file (non-inline).

["barry_matheney at yahoo dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50685

             Bug #: 50685
           Summary: Compiler segmentation fault on AIX when constructors
                    and destructors are implemented in the implementation
                    file (non-inline).
    Classification: Unclassified
           Product: gcc
           Version: 4.6.1
            Status: UNCONFIRMED
          Severity: major
          Priority: P3
         Component: c++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: barry_matheney@yahoo.com


Created attachment 25453
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=25453
detailed output for the good.cpp and bad.cpp compile runs

username@aixhost:~/code/aix1-->cat good.cpp
#include <iostream>
#include <string>
using namespace std;

class MyClass
{
  public:
    int x;
    MyClass(){ x = 0;};
    int GetX();
};

int MyClass::GetX()
{
  return x;
}

int main()
{
  cout << "Hello world!" << endl;
  return 0;
}
username@aixhost:~/code/aix1-->g++ -v -save-temps good.cpp
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/opt/freeware/libexec/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/lto-wrapper
Target: powerpc-ibm-aix5.3.0.0
Configured with: ../gcc-4.6.1/configure --with-as=/usr/bin/as
--with-ld=/usr/bin/ld --enable-languages=c,c++,fortran --prefix=/opt/freeware
--mandir=/opt/freeware/man --infodir=/opt/freeware/info --enable-threads
--enable-version-specific-runtime-libs --disable-nls --enable-decimal-float=dpd
--host=powerpc-ibm-aix5.3.0.0
Thread model: aix
gcc version 4.6.1 (GCC) 
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-shared-libgcc'
 /opt/freeware/libexec/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/cc1plus -E -quiet -v
-D_ALL_SOURCE good.cpp -fpch-preprocess -o good.ii
ignoring nonexistent directory
"/opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/../../../../powerpc-ibm-aix5.3.0.0/include"
#include "..." search starts here:
#include <...> search starts here:
 /opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/include/c++

/opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/include/c++/powerpc-ibm-aix5.3.0.0
 /opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/include/c++/backward
 /opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/include
 /usr/local/include
 /opt/freeware/include
 /opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/include-fixed
 /usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-shared-libgcc'
 /opt/freeware/libexec/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/cc1plus -fpreprocessed
good.ii -quiet -dumpbase good.cpp -auxbase good -version -o good.s
GNU C++ (GCC) version 4.6.1 (powerpc-ibm-aix5.3.0.0)
        compiled by GNU C version 4.6.1, GMP version 4.3.2, MPFR version
2.4.2-p1, MPC version 0.8.1
warning: MPC header version 0.8.1 differs from library version 0.9.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=32768
GNU C++ (GCC) version 4.6.1 (powerpc-ibm-aix5.3.0.0)
        compiled by GNU C version 4.6.1, GMP version 4.3.2, MPFR version
2.4.2-p1, MPC version 0.8.1
warning: MPC header version 0.8.1 differs from library version 0.9.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=32768
Compiler executable checksum: 68e3d0057093920041387ac67e49bcf7
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-shared-libgcc'
 /usr/bin/as -u -mppc -o good.o good.s
COMPILER_PATH=/opt/freeware/libexec/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/:/opt/freeware/libexec/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/:/opt/freeware/libexec/gcc/powerpc-ibm-aix5.3.0.0/:/opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/:/opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/
LIBRARY_PATH=/opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/:/opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-shared-libgcc'
 /opt/freeware/libexec/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/collect2
-bpT:0x10000000 -bpD:0x20000000 -btextro -bnodelcsect /lib/crt0.o
-L/opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1
-L/opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/../../.. good.o -lstdc++
-lm -lgcc_s /opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/libgcc.a -lc
-lgcc_s /opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/libgcc.a
username@aixhost:~/code/aix1-->cat bad.cpp
#include <iostream>
#include <string>
using namespace std;

class MyClass
{
  public:
    int x;
    MyClass();
    int GetX();
};

MyClass::MyClass()
{
  x = 0;
}
int MyClass::GetX()
{
  return x;
}

int main()
{
  cout << "Hello world!" << endl;
  return 0;
}
username@aixhost:~/code/aix1-->g++ -v -save-temps bad.cpp
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/opt/freeware/libexec/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/lto-wrapper
Target: powerpc-ibm-aix5.3.0.0
Configured with: ../gcc-4.6.1/configure --with-as=/usr/bin/as
--with-ld=/usr/bin/ld --enable-languages=c,c++,fortran --prefix=/opt/freeware
--mandir=/opt/freeware/man --infodir=/opt/freeware/info --enable-threads
--enable-version-specific-runtime-libs --disable-nls --enable-decimal-float=dpd
--host=powerpc-ibm-aix5.3.0.0
Thread model: aix
gcc version 4.6.1 (GCC) 
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-shared-libgcc'
 /opt/freeware/libexec/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/cc1plus -E -quiet -v
-D_ALL_SOURCE bad.cpp -fpch-preprocess -o bad.ii
ignoring nonexistent directory
"/opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/../../../../powerpc-ibm-aix5.3.0.0/include"
#include "..." search starts here:
#include <...> search starts here:
 /opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/include/c++

/opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/include/c++/powerpc-ibm-aix5.3.0.0
 /opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/include/c++/backward
 /opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/include
 /usr/local/include
 /opt/freeware/include
 /opt/freeware/lib/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/include-fixed
 /usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-shared-libgcc'
 /opt/freeware/libexec/gcc/powerpc-ibm-aix5.3.0.0/4.6.1/cc1plus -fpreprocessed
bad.ii -quiet -dumpbase bad.cpp -auxbase bad -version -o bad.s
GNU C++ (GCC) version 4.6.1 (powerpc-ibm-aix5.3.0.0)
        compiled by GNU C version 4.6.1, GMP version 4.3.2, MPFR version
2.4.2-p1, MPC version 0.8.1
warning: MPC header version 0.8.1 differs from library version 0.9.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=32768
GNU C++ (GCC) version 4.6.1 (powerpc-ibm-aix5.3.0.0)
        compiled by GNU C version 4.6.1, GMP version 4.3.2, MPFR version
2.4.2-p1, MPC version 0.8.1
warning: MPC header version 0.8.1 differs from library version 0.9.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=32768
Compiler executable checksum: 68e3d0057093920041387ac67e49bcf7
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-shared-libgcc'
 /usr/bin/as -u -mppc -o bad.o bad.s
g++: internal compiler error: Segmentation fault (program as)
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
username@aixhost:~/code/aix1-->