c/4685: Generating "Compiler Internal Error"

[alireza@morphotech.com]

>Number:         4685
>Category:       c
>Synopsis:       Generating "Compiler Internal Error"
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          ice-on-illegal-code
>Submitter-Id:   net
>Arrival-Date:   Thu Oct 25 16:26:26 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Alireza Moshtaghi
>Release:        unknown-1.0
>Organization:
>Environment:
Redhat Linux, Solaris, Cygwin
>Description:
The compiler crashes instead of reporting an error for the case when an array name is passed to an asm block with "+r" constraint. 
The following is the snapshot is produced when compiling with -save-temp  and -v flags:

Reading specs from /cygdrive/c/redhat/gnupro-00r1/H-i686-pc-cygwin/bin/../lib/gcc-lib/i686-pc-cygwin/2.96-gnupro-00r1/specs
gcc version 2.96-gnupro-00r1
 /cygdrive/c/redhat/gnupro-00r1/H-i686-pc-cygwin/bin/../lib/gcc-lib/i686-pc-cygwin/2.96-gnupro-00r1/cpp0.exe -lang-c -v -iprefix /cygdrive/c/redhat/gnupro-00r1/H-i686-pc-cygwin/bin/../lib/gcc-lib/i686-pc-cygwin/2.96-gnupro-00r1/ -D__GNUC__=2 -D__GNUC_MINOR__=96 -D__GNUC_PATCHLEVEL__=0 -D_WIN32 -DWINNT -D_X86_=1 -D_WIN32 -D__WINNT__ -D_X86_=1 -D__WINNT -Asystem(winnt) -remap -Acpu(i386) -Amachine(i386) -Di386 -D__i386 -D__i386__ -D__tune_pentiumpro__ -D__stdcall=__attribute__((__stdcall__)) -D__cdecl=__attribute__((__cdecl__)) -D_stdcall=__attribute__((__stdcall__)) -D_cdecl=__attribute__((__cdecl__)) -D__declspec(x)=__attribute__((x)) -D__CYGWIN32__ -D__CYGWIN__ asmtest5.c asmtest5.i
GNU CPP version 2.96-gnupro-00r1 (cpplib) (80386, BSD syntax)
ignoring nonexistent directory "/usr/cygnus/gnupro-00r1/include"
ignoring nonexistent directory "/usr/cygnus/gnupro-00r1/H-i686-pc-cygwin/lib/gcc-lib/i686-pc-cygwin/2.96-gnupro-00r1/include"
ignoring nonexistent directory "/usr/cygnus/gnupro-00r1/H-i686-pc-cygwin/i686-pc-cygwin/include"
ignoring nonexistent directory "/usr/include"
#include "..." search starts here:
#include <...> search starts here:
 /cygdrive/c/redhat/gnupro-00r1/H-i686-pc-cygwin/lib/gcc-lib/i686-pc-cygwin/2.96-gnupro-00r1/include
 /cygdrive/c/redhat/gnupro-00r1/H-i686-pc-cygwin/i686-pc-cygwin/include
End of search list.
 /cygdrive/c/redhat/gnupro-00r1/H-i686-pc-cygwin/bin/../lib/gcc-lib/i686-pc-cygwin/2.96-gnupro-00r1/cc1.exe asmtest5.i -quiet -dumpbase asmtest5.c -version -o asmtest5.s
GNU C version 2.96-gnupro-00r1 (i686-pc-cygwin) compiled by GNU C version 2.96-gnupro-00r1.
asmtest5.c: In function `main':
asmtest5.c:8: Internal compiler error in `emit_move_insn', at expr.c:2570
Please submit a full bug report.
See <URL: http://www.gnu.org/software/gcc/bugs.html > for instructions.
>How-To-Repeat:
just compile the attached file:
> gcc asmtest5.c
>Fix:
read the comment inside  the code
>Release-Note:
>Audit-Trail:
>Unformatted: