compiler internal error for the large automatic array. AMD64

[Murakami Hiroshi]

Dear, GCC bugs,

This shows a sample off C source code 
that produces the gcc compiler internal error.
gcc 3.3.1 on AMD-x64 system on Mandrake Linux for AMD64.

Hiroshi Murakami <dm@tmca.ac.jp>

-----
Script started on Sun 11 Jan 2004 07:59:24 PM EST
$
$ cc -v
Reading specs from /usr/lib64/gcc-lib/amd64-mandrake-linux-gnu/3.3.1/specs
Configured with: ../configure --prefix=/usr --libdir=/usr/lib64 
--with-slibdir=/lib64 --mandir=/usr/share/man --infodir=/usr/share/info 
--enable-shared --enable-threads=posix --disable-checking --enable-long-long 
--enable-__cxa_atexit --enable-languages=c,c++,ada,f77,objc,java,pascal 
--host=amd64-mandrake-linux-gnu --with-system-zlib
Thread model: posix
gcc version 3.3.1 (Mandrake Linux 9.2 3.3.1-4mdk)
$
$
$ cc a.c
a.c: In function `main':
a.c:27: error: unrecognizable insn:
(insn/f 230 229 231 (nil) (parallel [
            (set (reg/f:DI 7 rsp)
                (plus:DI (reg/f:DI 7 rsp)
                    (const_int -2147483696 [0xffffffff7fffffd0])))
            (clobber (reg:CC 17 flags))
            (clobber (mem:BLK (scratch) [0 A8]))
        ]) -1 (nil)
    (nil))
a.c:27: internal compiler error: in insn_default_length, at insn-attrtab.c:493
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:https://qa.mandrakesoft.com/> for instructions.
$
$
$ cat a.c
//===============================================
#include <stdio.h>
#include <stdlib.h>

#define MEGA (1024UL*1024/8)
#define N 2048UL  
// if the value of N is less than 2048, no compiler internal error.
// This compiler error can be avoided if the array double a[N][MEGA] 
// is declared as static.

int main()
{
double a[N][MEGA];
long int i,j;
long int s;
	for(i=0;i<N;i++)
		for(j=0;j<MEGA;j++)
			a[i][j]=i^j;
	s=0;
	for(i=0;i<N;i++)
		for(j=0;j<MEGA;j++)
		{
			if(a[i][j]!=(i^j)) {
				fprintf(stderr,"Error a[i][j]!=i^j.\n");
				exit(2);
			}
			s+=a[i][j];
		}
	return 0;
}
//===============================================
$ exit
exit

Script done on Sun 11 Jan 2004 07:59:41 PM EST