c/7741: ICE on illegal code (conflicting types)
gnats@kayari.org
gnats@kayari.org
Tue Aug 27 14:56:00 GMT 2002
>Number: 7741
>Category: c
>Synopsis: ICE on conflicting types
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: ice-on-illegal-code
>Submitter-Id: net
>Arrival-Date: Tue Aug 27 14:56:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: Jonathan Wakely
>Release: 3.3 20020821 (experimental)
>Organization:
>Environment:
System: Linux holyghost.localdomain 2.4.19 #44 Thu Aug 8 23:05:18 BST 2002 i586 unknown
Architecture: i586
host: i586-pc-linux-gnu
build: i586-pc-linux-gnu
target: i586-pc-linux-gnu
configured with: ../gcc/configure --prefix=/home/redi --enable-languages=c,c++ --program-suffix=3x --disable-nls --enable-threads=posix
>Description:
Compiling the following trivial (but error-ridden) code causes an ICE.
The code is not valid, and errors are reported, but then ICE!
Compiling the same code with 2.95 or 3.0 doesn't ICE.
This is the full output of "gcc3x -v --save-temps ice1.c":
Reading specs from /home/redi/lib/gcc-lib/i586-pc-linux-gnu/3.3/specs
Configured with: ../gcc/configure --prefix=/home/redi --enable-languages=c,c++ --program-suffix=3x --disable-nls --enable-threads=posix
Thread model: posix
gcc version 3.3 20020821 (experimental)
/home/redi/lib/gcc-lib/i586-pc-linux-gnu/3.3/cc1 -E -quiet -v -D__GNUC__=3 -D__GNUC_MINOR__=3 -D__GNUC_PATCHLEVEL__=0 ice1.c ice1.i
ignoring nonexistent directory "/home/redi/i586-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/usr/local/include
/home/redi/include
/home/redi/lib/gcc-lib/i586-pc-linux-gnu/3.3/include
/usr/include
End of search list.
/home/redi/lib/gcc-lib/i586-pc-linux-gnu/3.3/cc1 -fpreprocessed ice1.i -quiet -dumpbase ice1.c -auxbase ice1 -version -o ice1.s
GNU C version 3.3 20020821 (experimental) (i586-pc-linux-gnu)
compiled by GNU C version 3.3 20020821 (experimental).
ice1.c: In function `main':
ice1.c:15: error: conflicting types for `res'
ice1.c:12: error: previous declaration of `res'
ice1.c:12: internal compiler error: Internal compiler error in make_decl_rtl, at varasm.c:811
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL: http://www.gnu.org/software/gcc/bugs.html > for instructions.
>How-To-Repeat:
# 1 "ice1.c"
# 1 "<built-in>"
# 1 "<command line>"
# 1 "ice1.c"
# 1 "/usr/include/unistd.h" 1 3 4
# 26 "/usr/include/unistd.h" 3 4
# 1 "/usr/include/features.h" 1 3 4
# 283 "/usr/include/features.h" 3 4
# 1 "/usr/include/sys/cdefs.h" 1 3 4
# 284 "/usr/include/features.h" 2 3 4
# 312 "/usr/include/features.h" 3 4
# 1 "/usr/include/gnu/stubs.h" 1 3 4
# 313 "/usr/include/features.h" 2 3 4
# 27 "/usr/include/unistd.h" 2 3 4
# 175 "/usr/include/unistd.h" 3 4
# 1 "/usr/include/bits/posix_opt.h" 1 3 4
# 176 "/usr/include/unistd.h" 2 3 4
# 190 "/usr/include/unistd.h" 3 4
# 1 "/usr/include/bits/types.h" 1 3 4
# 29 "/usr/include/bits/types.h" 3 4
# 1 "/home/redi/lib/gcc-lib/i586-pc-linux-gnu/3.3/include/stddef.h" 1 3 4
# 203 "/home/redi/lib/gcc-lib/i586-pc-linux-gnu/3.3/include/stddef.h" 3 4
typedef unsigned int size_t;
# 30 "/usr/include/bits/types.h" 2 3 4
typedef unsigned char __u_char;
typedef unsigned short __u_short;
typedef unsigned int __u_int;
typedef unsigned long __u_long;
__extension__ typedef unsigned long long int __u_quad_t;
__extension__ typedef long long int __quad_t;
# 49 "/usr/include/bits/types.h" 3 4
typedef signed char __int8_t;
typedef unsigned char __uint8_t;
typedef signed short int __int16_t;
typedef unsigned short int __uint16_t;
typedef signed int __int32_t;
typedef unsigned int __uint32_t;
__extension__ typedef signed long long int __int64_t;
__extension__ typedef unsigned long long int __uint64_t;
typedef __quad_t *__qaddr_t;
typedef __u_quad_t __dev_t;
typedef __u_int __uid_t;
typedef __u_int __gid_t;
typedef __u_long __ino_t;
typedef __u_int __mode_t;
typedef __u_int __nlink_t;
typedef long int __off_t;
typedef __quad_t __loff_t;
typedef int __pid_t;
typedef int __ssize_t;
typedef __u_long __rlim_t;
typedef __u_quad_t __rlim64_t;
typedef __u_int __id_t;
typedef struct
{
int __val[2];
} __fsid_t;
typedef int __daddr_t;
typedef char *__caddr_t;
typedef long int __time_t;
typedef unsigned int __useconds_t;
typedef long int __suseconds_t;
typedef long int __swblk_t;
typedef long int __clock_t;
typedef int __clockid_t;
typedef int __timer_t;
typedef int __key_t;
typedef unsigned short int __ipc_pid_t;
typedef long int __blksize_t;
typedef long int __blkcnt_t;
typedef __quad_t __blkcnt64_t;
typedef __u_long __fsblkcnt_t;
typedef __u_quad_t __fsblkcnt64_t;
typedef __u_long __fsfilcnt_t;
typedef __u_quad_t __fsfilcnt64_t;
typedef __u_quad_t __ino64_t;
typedef __loff_t __off64_t;
typedef long int __t_scalar_t;
typedef unsigned long int __t_uscalar_t;
typedef int __intptr_t;
typedef unsigned int __socklen_t;
# 1 "/usr/include/bits/pthreadtypes.h" 1 3 4
# 23 "/usr/include/bits/pthreadtypes.h" 3 4
# 1 "/usr/include/bits/sched.h" 1 3 4
# 68 "/usr/include/bits/sched.h" 3 4
struct __sched_param
{
int __sched_priority;
};
# 24 "/usr/include/bits/pthreadtypes.h" 2 3 4
struct _pthread_fastlock
{
long int __status;
int __spinlock;
};
typedef struct _pthread_descr_struct *_pthread_descr;
typedef struct __pthread_attr_s
{
int __detachstate;
int __schedpolicy;
struct __sched_param __schedparam;
int __inheritsched;
int __scope;
size_t __guardsize;
int __stackaddr_set;
void *__stackaddr;
size_t __stacksize;
} pthread_attr_t;
typedef struct
{
struct _pthread_fastlock __c_lock;
_pthread_descr __c_waiting;
} pthread_cond_t;
typedef struct
{
int __dummy;
} pthread_condattr_t;
typedef unsigned int pthread_key_t;
typedef struct
{
int __m_reserved;
int __m_count;
_pthread_descr __m_owner;
int __m_kind;
struct _pthread_fastlock __m_lock;
} pthread_mutex_t;
typedef struct
{
int __mutexkind;
} pthread_mutexattr_t;
typedef int pthread_once_t;
# 140 "/usr/include/bits/pthreadtypes.h" 3 4
typedef unsigned long int pthread_t;
# 144 "/usr/include/bits/types.h" 2 3 4
# 191 "/usr/include/unistd.h" 2 3 4
typedef __ssize_t ssize_t;
# 1 "/home/redi/lib/gcc-lib/i586-pc-linux-gnu/3.3/include/stddef.h" 1 3 4
# 200 "/usr/include/unistd.h" 2 3 4
# 240 "/usr/include/unistd.h" 3 4
typedef __intptr_t intptr_t;
typedef __socklen_t socklen_t;
# 260 "/usr/include/unistd.h" 3 4
extern int access (__const char *__name, int __type) ;
# 290 "/usr/include/unistd.h" 3 4
extern __off_t lseek (int __fd, __off_t __offset, int __whence) ;
# 306 "/usr/include/unistd.h" 3 4
extern int close (int __fd) ;
extern ssize_t read (int __fd, void *__buf, size_t __nbytes) ;
extern ssize_t write (int __fd, __const void *__buf, size_t __n) ;
# 353 "/usr/include/unistd.h" 3 4
extern int pipe (int __pipedes[2]) ;
# 362 "/usr/include/unistd.h" 3 4
extern unsigned int alarm (unsigned int __seconds) ;
# 371 "/usr/include/unistd.h" 3 4
extern unsigned int sleep (unsigned int __seconds) ;
extern __useconds_t ualarm (__useconds_t __value, __useconds_t __interval)
;
extern int usleep (__useconds_t __useconds) ;
extern int pause (void) ;
extern int chown (__const char *__file, __uid_t __owner, __gid_t __group)
;
extern int fchown (int __fd, __uid_t __owner, __gid_t __group) ;
extern int lchown (__const char *__file, __uid_t __owner, __gid_t __group)
;
extern int chdir (__const char *__path) ;
extern int fchdir (int __fd) ;
# 423 "/usr/include/unistd.h" 3 4
extern char *getcwd (char *__buf, size_t __size) ;
# 436 "/usr/include/unistd.h" 3 4
extern char *getwd (char *__buf) ;
extern int dup (int __fd) ;
extern int dup2 (int __fd, int __fd2) ;
extern char **__environ;
extern int execve (__const char *__path, char *__const __argv[],
char *__const __envp[]) ;
# 467 "/usr/include/unistd.h" 3 4
extern int execv (__const char *__path, char *__const __argv[]) ;
extern int execle (__const char *__path, __const char *__arg, ...) ;
extern int execl (__const char *__path, __const char *__arg, ...) ;
extern int execvp (__const char *__file, char *__const __argv[]) ;
extern int execlp (__const char *__file, __const char *__arg, ...) ;
extern int nice (int __inc) ;
extern void _exit (int __status) __attribute__ ((__noreturn__));
# 1 "/usr/include/bits/confname.h" 1 3 4
# 25 "/usr/include/bits/confname.h" 3 4
enum
{
_PC_LINK_MAX,
_PC_MAX_CANON,
_PC_MAX_INPUT,
_PC_NAME_MAX,
_PC_PATH_MAX,
_PC_PIPE_BUF,
_PC_CHOWN_RESTRICTED,
_PC_NO_TRUNC,
_PC_VDISABLE,
_PC_SYNC_IO,
_PC_ASYNC_IO,
_PC_PRIO_IO,
_PC_SOCK_MAXBUF,
_PC_FILESIZEBITS,
_PC_REC_INCR_XFER_SIZE,
_PC_REC_MAX_XFER_SIZE,
_PC_REC_MIN_XFER_SIZE,
_PC_REC_XFER_ALIGN,
_PC_ALLOC_SIZE_MIN,
_PC_SYMLINK_MAX
};
enum
{
_SC_ARG_MAX,
_SC_CHILD_MAX,
_SC_CLK_TCK,
_SC_NGROUPS_MAX,
_SC_OPEN_MAX,
_SC_STREAM_MAX,
_SC_TZNAME_MAX,
_SC_JOB_CONTROL,
_SC_SAVED_IDS,
_SC_REALTIME_SIGNALS,
_SC_PRIORITY_SCHEDULING,
_SC_TIMERS,
_SC_ASYNCHRONOUS_IO,
_SC_PRIORITIZED_IO,
_SC_SYNCHRONIZED_IO,
_SC_FSYNC,
_SC_MAPPED_FILES,
_SC_MEMLOCK,
_SC_MEMLOCK_RANGE,
_SC_MEMORY_PROTECTION,
_SC_MESSAGE_PASSING,
_SC_SEMAPHORES,
_SC_SHARED_MEMORY_OBJECTS,
_SC_AIO_LISTIO_MAX,
_SC_AIO_MAX,
_SC_AIO_PRIO_DELTA_MAX,
_SC_DELAYTIMER_MAX,
_SC_MQ_OPEN_MAX,
_SC_MQ_PRIO_MAX,
_SC_VERSION,
_SC_PAGESIZE,
_SC_RTSIG_MAX,
_SC_SEM_NSEMS_MAX,
_SC_SEM_VALUE_MAX,
_SC_SIGQUEUE_MAX,
_SC_TIMER_MAX,
_SC_BC_BASE_MAX,
_SC_BC_DIM_MAX,
_SC_BC_SCALE_MAX,
_SC_BC_STRING_MAX,
_SC_COLL_WEIGHTS_MAX,
_SC_EQUIV_CLASS_MAX,
_SC_EXPR_NEST_MAX,
_SC_LINE_MAX,
_SC_RE_DUP_MAX,
_SC_CHARCLASS_NAME_MAX,
_SC_2_VERSION,
_SC_2_C_BIND,
_SC_2_C_DEV,
_SC_2_FORT_DEV,
_SC_2_FORT_RUN,
_SC_2_SW_DEV,
_SC_2_LOCALEDEF,
_SC_PII,
_SC_PII_XTI,
_SC_PII_SOCKET,
_SC_PII_INTERNET,
_SC_PII_OSI,
_SC_POLL,
_SC_SELECT,
_SC_UIO_MAXIOV,
_SC_IOV_MAX = _SC_UIO_MAXIOV,
_SC_PII_INTERNET_STREAM,
_SC_PII_INTERNET_DGRAM,
_SC_PII_OSI_COTS,
_SC_PII_OSI_CLTS,
_SC_PII_OSI_M,
_SC_T_IOV_MAX,
_SC_THREADS,
_SC_THREAD_SAFE_FUNCTIONS,
_SC_GETGR_R_SIZE_MAX,
_SC_GETPW_R_SIZE_MAX,
_SC_LOGIN_NAME_MAX,
_SC_TTY_NAME_MAX,
_SC_THREAD_DESTRUCTOR_ITERATIONS,
_SC_THREAD_KEYS_MAX,
_SC_THREAD_STACK_MIN,
_SC_THREAD_THREADS_MAX,
_SC_THREAD_ATTR_STACKADDR,
_SC_THREAD_ATTR_STACKSIZE,
_SC_THREAD_PRIORITY_SCHEDULING,
_SC_THREAD_PRIO_INHERIT,
_SC_THREAD_PRIO_PROTECT,
_SC_THREAD_PROCESS_SHARED,
_SC_NPROCESSORS_CONF,
_SC_NPROCESSORS_ONLN,
_SC_PHYS_PAGES,
_SC_AVPHYS_PAGES,
_SC_ATEXIT_MAX,
_SC_PASS_MAX,
_SC_XOPEN_VERSION,
_SC_XOPEN_XCU_VERSION,
_SC_XOPEN_UNIX,
_SC_XOPEN_CRYPT,
_SC_XOPEN_ENH_I18N,
_SC_XOPEN_SHM,
_SC_2_CHAR_TERM,
_SC_2_C_VERSION,
_SC_2_UPE,
_SC_XOPEN_XPG2,
_SC_XOPEN_XPG3,
_SC_XOPEN_XPG4,
_SC_CHAR_BIT,
_SC_CHAR_MAX,
_SC_CHAR_MIN,
_SC_INT_MAX,
_SC_INT_MIN,
_SC_LONG_BIT,
_SC_WORD_BIT,
_SC_MB_LEN_MAX,
_SC_NZERO,
_SC_SSIZE_MAX,
_SC_SCHAR_MAX,
_SC_SCHAR_MIN,
_SC_SHRT_MAX,
_SC_SHRT_MIN,
_SC_UCHAR_MAX,
_SC_UINT_MAX,
_SC_ULONG_MAX,
_SC_USHRT_MAX,
_SC_NL_ARGMAX,
_SC_NL_LANGMAX,
_SC_NL_MSGMAX,
_SC_NL_NMAX,
_SC_NL_SETMAX,
_SC_NL_TEXTMAX,
_SC_XBS5_ILP32_OFF32,
_SC_XBS5_ILP32_OFFBIG,
_SC_XBS5_LP64_OFF64,
_SC_XBS5_LPBIG_OFFBIG,
_SC_XOPEN_LEGACY,
_SC_XOPEN_REALTIME,
_SC_XOPEN_REALTIME_THREADS,
_SC_ADVISORY_INFO,
_SC_BARRIERS,
_SC_BASE,
_SC_C_LANG_SUPPORT,
_SC_C_LANG_SUPPORT_R,
_SC_CLOCK_SELECTION,
_SC_CPUTIME,
_SC_THREAD_CPUTIME,
_SC_DEVICE_IO,
_SC_DEVICE_SPECIFIC,
_SC_DEVICE_SPECIFIC_R,
_SC_FD_MGMT,
_SC_FIFO,
_SC_PIPE,
_SC_FILE_ATTRIBUTES,
_SC_FILE_LOCKING,
_SC_FILE_SYSTEM,
_SC_MONOTONIC_CLOCK,
_SC_MULTI_PROCESS,
_SC_SINGLE_PROCESS,
_SC_NETWORKING,
_SC_READER_WRITER_LOCKS,
_SC_SPIN_LOCKS,
_SC_REGEXP,
_SC_REGEX_VERSION,
_SC_SHELL,
_SC_SIGNALS,
_SC_SPAWN,
_SC_SPORADIC_SERVER,
_SC_THREAD_SPORADIC_SERVER,
_SC_SYSTEM_DATABASE,
_SC_SYSTEM_DATABASE_R,
_SC_TIMEOUTS,
_SC_TYPED_MEMORY_OBJECTS,
_SC_USER_GROUPS,
_SC_USER_GROUPS_R,
_SC_2_PBS,
_SC_2_PBS_ACCOUNTING,
_SC_2_PBS_LOCATE,
_SC_2_PBS_MESSAGE,
_SC_2_PBS_TRACK,
_SC_SYMLOOP_MAX,
_SC_STREAMS,
_SC_2_PBS_CHECKPOINT,
_SC_V6_ILP32_OFF32,
_SC_V6_ILP32_OFFBIG,
_SC_V6_LP64_OFF64,
_SC_V6_LPBIG_OFFBIG,
_SC_HOST_NAME_MAX,
_SC_TRACE,
_SC_TRACE_EVENT_FILTER,
_SC_TRACE_INHERIT,
_SC_TRACE_LOG
};
enum
{
_CS_PATH,
# 563 "/usr/include/bits/confname.h" 3 4
_CS_V6_WIDTH_RESTRICTED_ENVS
};
# 501 "/usr/include/unistd.h" 2 3 4
extern long int pathconf (__const char *__path, int __name) ;
extern long int fpathconf (int __fd, int __name) ;
extern long int sysconf (int __name) __attribute__ ((__const__));
extern size_t confstr (int __name, char *__buf, size_t __len) ;
extern __pid_t getpid (void) ;
extern __pid_t getppid (void) ;
extern __pid_t getpgrp (void) ;
# 536 "/usr/include/unistd.h" 3 4
extern __pid_t __getpgid (__pid_t __pid) ;
# 545 "/usr/include/unistd.h" 3 4
extern int setpgid (__pid_t __pid, __pid_t __pgid) ;
# 562 "/usr/include/unistd.h" 3 4
extern int setpgrp (void) ;
# 580 "/usr/include/unistd.h" 3 4
extern __pid_t setsid (void) ;
extern __uid_t getuid (void) ;
extern __uid_t geteuid (void) ;
extern __gid_t getgid (void) ;
extern __gid_t getegid (void) ;
extern int getgroups (int __size, __gid_t __list[]) ;
# 613 "/usr/include/unistd.h" 3 4
extern int setuid (__uid_t __uid) ;
extern int setreuid (__uid_t __ruid, __uid_t __euid) ;
extern int seteuid (__uid_t __uid) ;
extern int setgid (__gid_t __gid) ;
extern int setregid (__gid_t __rgid, __gid_t __egid) ;
extern int setegid (__gid_t __gid) ;
extern __pid_t fork (void) ;
extern __pid_t vfork (void) ;
extern char *ttyname (int __fd) ;
extern int ttyname_r (int __fd, char *__buf, size_t __buflen) ;
extern int isatty (int __fd) ;
extern int ttyslot (void) ;
extern int link (__const char *__from, __const char *__to) ;
extern int symlink (__const char *__from, __const char *__to) ;
extern int readlink (__const char *__restrict __path, char *__restrict __buf,
size_t __len) ;
extern int unlink (__const char *__name) ;
extern int rmdir (__const char *__path) ;
extern __pid_t tcgetpgrp (int __fd) ;
extern int tcsetpgrp (int __fd, __pid_t __pgrp_id) ;
extern char *getlogin (void) ;
# 717 "/usr/include/unistd.h" 3 4
extern int setlogin (__const char *__name) ;
# 726 "/usr/include/unistd.h" 3 4
# 1 "/usr/include/getopt.h" 1 3 4
# 47 "/usr/include/getopt.h" 3 4
extern char *optarg;
# 61 "/usr/include/getopt.h" 3 4
extern int optind;
extern int opterr;
extern int optopt;
# 145 "/usr/include/getopt.h" 3 4
extern int getopt (int ___argc, char *const *___argv, const char *__shortopts);
# 727 "/usr/include/unistd.h" 2 3 4
extern int gethostname (char *__name, size_t __len) ;
extern int sethostname (__const char *__name, size_t __len) ;
extern int sethostid (long int __id) ;
extern int getdomainname (char *__name, size_t __len) ;
extern int setdomainname (__const char *__name, size_t __len) ;
extern int vhangup (void) ;
extern int revoke (__const char *__file) ;
extern int profil (unsigned short int *__sample_buffer, size_t __size,
size_t __offset, unsigned int __scale) ;
extern int acct (__const char *__name) ;
extern char *getusershell (void) ;
extern void endusershell (void) ;
extern void setusershell (void) ;
extern int daemon (int __nochdir, int __noclose) ;
extern int chroot (__const char *__path) ;
extern char *getpass (__const char *__prompt) ;
extern int fsync (int __fd) ;
extern long int gethostid (void) ;
extern void sync (void) ;
extern int getpagesize (void) __attribute__ ((__const__));
extern int truncate (__const char *__file, __off_t __length) ;
# 841 "/usr/include/unistd.h" 3 4
extern int ftruncate (int __fd, __off_t __length) ;
# 857 "/usr/include/unistd.h" 3 4
extern int getdtablesize (void) ;
# 866 "/usr/include/unistd.h" 3 4
extern int brk (void *__addr) ;
extern void *sbrk (intptr_t __delta) ;
# 887 "/usr/include/unistd.h" 3 4
extern long int syscall (long int __sysno, ...) ;
# 907 "/usr/include/unistd.h" 3 4
extern int lockf (int __fd, int __cmd, __off_t __len) ;
# 938 "/usr/include/unistd.h" 3 4
extern int fdatasync (int __fildes) ;
# 983 "/usr/include/unistd.h" 3 4
extern int pthread_atfork (void (*__prepare) (void),
void (*__parent) (void),
void (*__child) (void)) ;
# 2 "ice1.c" 2
struct s {
int i;
char c;
};
int f(int, struct s*);
int main()
{
size_t res = 0;
struct s st;
int i = 0;
int res = f(i, &st);
return 0;
}
>Fix:
Don't write such bad code ;-)
>Release-Note:
>Audit-Trail:
>Unformatted:
More information about the Gcc-bugs
mailing list