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20020706-1.c: New test.

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* gcc.c-torture/compile/20020706-1.c: New test.
* gcc.c-torture/compile/20020706-2.c: New test.

From-SVN: r55290
This commit is contained in:
Alexandre Oliva 2002-07-06 17:19:51 +00:00 committed by Alexandre Oliva
parent 71b089f0be
commit e66c864962
3 changed files with 81 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2002-07-06 Alexandre Oliva <aoliva@redhat.com>
* gcc.c-torture/compile/20020706-1.c: New test.
* gcc.c-torture/compile/20020706-2.c: New test.
2002-07-06 Brian R. Gaeke <brg@dgate.ORG>, Alexandre Oliva <aoliva@redhat.com>
* g++.dg/warn/incomplete1.C: New test.

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gcc/testsuite/gcc.c-torture/compile/20020706-1.c Normal file
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// Contributed by Alexandre Oliva <aoliva@redhat.com>
// From Red Hat case 106165.
typedef struct s1
{
unsigned short v1;
unsigned char *v2;
} S1;
extern void bar(const struct s1 *const hdb);
extern unsigned char* foo ();
unsigned int sn;
S1 *hdb;
S1 *pb;
unsigned short len;
unsigned int crashIt()
{
unsigned char *p;
unsigned int nsn;
unsigned short cnt;
if (sn != 0) return 1;
if ((len < 12) || ((p = (((pb->v1) >= 8) ? pb->v2 : foo() )) == 0))
return 1;
nsn = (
(((*(unsigned int*)p) & 0x000000ff) << 24) |
(((*(unsigned int*)p) & 0x0000ff00) << 8) |
(((*(unsigned int*)p) & 0x00ff0000) >> 8) |
(((*(unsigned int*)p) & 0xff000000) >> 24) );
p += 4;
cnt = (unsigned short) ((
(((*(unsigned int*)p) & 0x000000ff) << 24) |
(((*(unsigned int*)p) & 0x0000ff00) << 8) |
(((*(unsigned int*)p) & 0x00ff0000) >> 8) |
(((*(unsigned int*)p) & 0xff000000) >> 24) ) &
0xffff);
if ((len != 12 + (cnt * 56)) || (nsn == 0))
{
bar(hdb);
return 1;
}
return 0;
}

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gcc/testsuite/gcc.c-torture/compile/20020706-2.c Normal file
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// Contributed by Alexandre Oliva <aoliva@redhat.com>
// From Red Hat case 106165.
typedef unsigned short (FUNC_P) (void *, unsigned char *, unsigned short);
void crashIt(int id, FUNC_P *func, unsigned char *funcparm)
{
unsigned char buff[5], reverse[4];
unsigned char *bp = buff;
unsigned char *rp = reverse;
unsigned short int count = 0;
unsigned short cnt;
while (id > 0)
{
*rp++ = (unsigned char) (id & 0x7F);
id >>= 7;
count++;
}
cnt = count + 1;
while ((count--) > 1)
{
*bp++ = (unsigned char)(*(--rp) | 0x80);
}
*bp++ = *(--rp);
(void)(*func)(funcparm, buff, cnt);
}