/* { dg-do compile } */
|
/* { dg-do compile } */
|
/* { dg-options "-O -w" } */
|
/* { dg-options "-O -w" } */
|
|
|
/* This code snippet from glibc 2.3.5 was causing an ICE during
|
/* This code snippet from glibc 2.3.5 was causing an ICE during
|
optimization because we were failing to update the SSA form for
|
optimization because we were failing to update the SSA form for
|
stale name tags. These are tags that are associated with SSA pointers
|
stale name tags. These are tags that are associated with SSA pointers
|
that have been removed from the IL. This was causing the SSA
|
that have been removed from the IL. This was causing the SSA
|
verifier to fail before we had a chance to run the cleanup pass that
|
verifier to fail before we had a chance to run the cleanup pass that
|
finally removes all the remaining PHI nodes for the stale name tag. */
|
finally removes all the remaining PHI nodes for the stale name tag. */
|
struct _IO_wide_data
|
struct _IO_wide_data
|
{
|
{
|
};
|
};
|
struct _IO_FILE {
|
struct _IO_FILE {
|
};
|
};
|
typedef struct _IO_FILE _IO_FILE;
|
typedef struct _IO_FILE _IO_FILE;
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struct _IO_jump_t
|
struct _IO_jump_t
|
{
|
{
|
};
|
};
|
struct _IO_FILE_plus
|
struct _IO_FILE_plus
|
{
|
{
|
_IO_FILE file;
|
_IO_FILE file;
|
};
|
};
|
extern const struct _IO_jump_t _IO_file_jumps_maybe_mmap ;
|
extern const struct _IO_jump_t _IO_file_jumps_maybe_mmap ;
|
extern const struct _IO_jump_t _IO_wfile_jumps;
|
extern const struct _IO_jump_t _IO_wfile_jumps;
|
extern const struct _IO_jump_t _IO_wfile_jumps_maybe_mmap ;
|
extern const struct _IO_jump_t _IO_wfile_jumps_maybe_mmap ;
|
|
|
_IO_new_fdopen (fd, mode)
|
_IO_new_fdopen (fd, mode)
|
const char *mode;
|
const char *mode;
|
{
|
{
|
int read_write;
|
int read_write;
|
int posix_mode = 0;
|
int posix_mode = 0;
|
struct locked_FILE
|
struct locked_FILE
|
{
|
{
|
struct _IO_FILE_plus fp;
|
struct _IO_FILE_plus fp;
|
struct _IO_wide_data wd;
|
struct _IO_wide_data wd;
|
} *new_f;
|
} *new_f;
|
int fd_flags;
|
int fd_flags;
|
int use_mmap = 0;
|
int use_mmap = 0;
|
{
|
{
|
}
|
}
|
{
|
{
|
switch (*++mode)
|
switch (*++mode)
|
{
|
{
|
case '\0':
|
case '\0':
|
use_mmap = 1;
|
use_mmap = 1;
|
}
|
}
|
}
|
}
|
if (((fd_flags & 0003) == 00 && !(read_write & 8))
|
if (((fd_flags & 0003) == 00 && !(read_write & 8))
|
|| ((fd_flags & 0003) == 01 && !(read_write & 4)))
|
|| ((fd_flags & 0003) == 01 && !(read_write & 4)))
|
{
|
{
|
}
|
}
|
if ((posix_mode & 02000) && !(fd_flags & 02000))
|
if ((posix_mode & 02000) && !(fd_flags & 02000))
|
return ((void *)0);
|
return ((void *)0);
|
_IO_no_init (&new_f->fp.file, 0, 0, &new_f->wd,
|
_IO_no_init (&new_f->fp.file, 0, 0, &new_f->wd,
|
(use_mmap && (read_write & 8))
|
(use_mmap && (read_write & 8))
|
? &_IO_wfile_jumps_maybe_mmap :
|
? &_IO_wfile_jumps_maybe_mmap :
|
&_IO_wfile_jumps);
|
&_IO_wfile_jumps);
|
(use_mmap && (read_write & 8)) ? &_IO_file_jumps_maybe_mmap :
|
(use_mmap && (read_write & 8)) ? &_IO_file_jumps_maybe_mmap :
|
_IO_file_init (&new_f->fp);
|
_IO_file_init (&new_f->fp);
|
}
|
}
|
|
|
