Herbert, do you think you could take a quick long at this bug report before I forward it upstream to the GCC folks?
* Camm Maguire <[EMAIL PROTECTED]> [2008-01-02 10:09]: > Package: gcc-4.2 > Version: 4.2.2-4 > Severity: important > > /tmp/foo.c: > ============================================================================= > #include <stdio.h> > #include <alloca.h> > #include <stdarg.h> > #define object void * > > int VFUN_NARGS; > void *alloca_val; > struct cons { > object c_cdr; > object c_car; > }; > > #define Cnil 0 > > static void > foo(object first,...) { > va_list ap; > int narg = VFUN_NARGS; > struct cons *V1128; > object V1129; > > va_start(ap,first); > V1129 = > !narg? Cnil : (alloca_val=alloca((narg)*sizeof(struct > cons)+sizeof(object)), > ({object _b=(void *)alloca_val;if (((unsigned > long)_b)&sizeof(_b)) _b++; > {register struct cons *_p=(void *)_b; > {struct cons *_e=_p+(narg-1); > for (;_p<_e;_p++) {_p->c_car=({object > _t=first;first=va_arg(ap,object);_t;});_p->c_cdr=(object)(_p+1);}} > _p->c_car=first;_p->c_cdr=Cnil;}_b;})); > va_end(ap); > V1128= V1129; > for (;V1128!=Cnil;V1128=V1128->c_cdr) > printf("%p\n",V1128->c_car); > > } > > int > main(int argc,char * argv[]) { > > VFUN_NARGS=4; > foo(&argc,1,2,3); > return 0; > > } > ============================================================================= > i386 sid: > ============================================================================= > cc -g /tmp/foo.c -o /tmp/foo > /tmp/foo > 0xbf867bd0 > 0x1 > 0x2 > 0x3 > ============================================================================= > leisner dchroot sid: > ============================================================================= > cc -g foo.c -o foo > ./foo > 0x18beed5d > Segmentation fault > ============================================================================= > > Take care, > > -- System Information: > Debian Release: lenny/sid > APT prefers unstable > APT policy: (500, 'unstable') > Architecture: i386 (i686) > > Kernel: Linux 2.6.20-gen > Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968) > Shell: /bin/sh linked to /bin/bash > > Versions of packages gcc-4.2 depends on: > ii binutils 2.18.1~cvs20071027-1 The GNU assembler, linker and > bina > ii cpp-4.2 4.2.2-4 The GNU C preprocessor > ii gcc-4.2-base 4.2.2-4 The GNU Compiler Collection > (base > ii libc6 2.7-2 GNU C Library: Shared libraries > ii libgcc1 1:4.2.2-4 GCC support library > ii libgomp1 4.2.2-4 GCC OpenMP (GOMP) support library > > Versions of packages gcc-4.2 recommends: > ii libc6-dev 2.7-2 GNU C Library: Development > Librari > > -- no debconf information > -- Martin Michlmayr http://www.cyrius.com/ -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]