[Bug c++/44620] New: gcc -fvisibility-ms-compat crash when throwing const char*

[soren dot soe at gonsoe dot com]

This simple source file causes gcc to crash when compiled with
-fvisibility-ms-compat:

void foo()
{ 
  throw "Help!";
}

% gcc -v -save-temps -c -fvisibility-ms-compat crash.cxx 

Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../../src/lnx32/configure
--prefix=/tools/batonroot/rodin/devkits/lnx32/gcc-4.4.4
--enable-languages=c,c++
Thread model: posix
gcc version 4.4.4 (GCC) 
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-c' '-fvisibility-ms-compat'
'-mtune=generic'

/tools/batonroot/rodin/devkits/lnx32/gcc-4.4.4/libexec/gcc/i686-pc-linux-gnu/4.4.4/cc1plus
-E -quiet -v -D_GNU_SOURCE crash.cxx -mtune=generic -fvisibility-ms-compat
-fpch-preprocess -o crash.ii
ignoring nonexistent directory
"/tools/batonroot/rodin/devkits/lnx32/gcc-4.4.4/lib/gcc/i686-pc-linux-gnu/4.4.4/../../../../i686-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:

/tools/batonroot/rodin/devkits/lnx32/gcc-4.4.4/lib/gcc/i686-pc-linux-gnu/4.4.4/../../../../include/c++/4.4.4

/tools/batonroot/rodin/devkits/lnx32/gcc-4.4.4/lib/gcc/i686-pc-linux-gnu/4.4.4/../../../../include/c++/4.4.4/i686-pc-linux-gnu

/tools/batonroot/rodin/devkits/lnx32/gcc-4.4.4/lib/gcc/i686-pc-linux-gnu/4.4.4/../../../../include/c++/4.4.4/backward
 /usr/local/include
 /tools/batonroot/rodin/devkits/lnx32/gcc-4.4.4/include

/tools/batonroot/rodin/devkits/lnx32/gcc-4.4.4/lib/gcc/i686-pc-linux-gnu/4.4.4/include

/tools/batonroot/rodin/devkits/lnx32/gcc-4.4.4/lib/gcc/i686-pc-linux-gnu/4.4.4/include-fixed
 /usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-c' '-fvisibility-ms-compat'
'-mtune=generic'

/tools/batonroot/rodin/devkits/lnx32/gcc-4.4.4/libexec/gcc/i686-pc-linux-gnu/4.4.4/cc1plus
-fpreprocessed crash.ii -quiet -dumpbase crash.cxx -mtune=generic -auxbase
crash -version -fvisibility-ms-compat -o crash.s
GNU C++ (GCC) version 4.4.4 (i686-pc-linux-gnu)
        compiled by GNU C version 4.4.4, GMP version 5.0.1, MPFR version 2.4.2.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: b301e3deb4f2be9f847ad7d75351dd84
crash.cxx:3: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

I am not sure how to attach the .ii file, but the content is pasted here:

# 1 "crash.cxx"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "crash.cxx"
void foo()
{
  throw "Help!";
}


-- 
           Summary: gcc -fvisibility-ms-compat crash when throwing const
                    char*
           Product: gcc
           Version: 4.4.4
            Status: UNCONFIRMED
          Severity: blocker
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: soren dot soe at gonsoe dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44620