[Bug c/22044] New: internal compiler error using __builtin_va_list

["olaf at bonorden dot de" <gcc-bugzilla at gcc dot gnu dot org>]

Compiler output:   
----------  
mcore-gcc -I../include -mbig-endian -nostdlib -Wa,-EB -fno-builtin test.c -c  
 
test.c: In function 'abort':  
test.c:14: error: unrecognizable insn:  
(insn 11 9 12 1 (set (reg:SI 26 [ D.767 ])  
        (const:SI (plus:SI (symbol_ref:SI ("_Files") <var_decl 0x401b1dec  
_Files>)  
                (const_int 2 [0x2])))) -1 (nil)  
    (nil))  
test.c:14: internal compiler error: in extract_insn, at recog.c:2082  
  
----------   
source code:  
  
typedef struct { char dummy; } FILE;  
  
extern int vfprintf (FILE *, const char *, __builtin_va_list);  
  
extern FILE _Files[3];  
  
void abort( const char* format, ... ) {  
    __builtin_va_list args;  
  
    __builtin_va_start((args),(format));  
    vfprintf( (_Files + 2), format, args );  
    __builtin_va_end(args);  
}  
  
-------  
compiler:  
  
Using built-in specs.  
Target: mcore-be-elf  
Configured with: ../configure --target=mcore-be-elf --prefix=/opt/mcore  
--program-prefix=mcore- --mandir=/opt/mcore/man --infodir=/opt/mcore/info  
--enable-languages=c --with-included-gettext --disable-nls i586-suse-linux  
Thread model: single  
gcc version 4.1.0 20050613 (experimental) 
 
-----

-- 
           Summary: internal compiler error using __builtin_va_list
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: olaf at bonorden dot de
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i586-suse-linux
  GCC host triplet: i586-suse-linux
GCC target triplet: mcore-be-elf


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22044