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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [g++.dg/] [warn/] [Warray-bounds.C] - Blame information for rev 315

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Line No. Rev Author Line
1 301 jeremybenn 
/* { dg-do compile } */
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/* { dg-options "-O2 -Warray-bounds" } */
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int a[10];
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extern "C" __SIZE_TYPE__ strlen(const char *s);
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static inline int n(void) {
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    return strlen("12345");
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}
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void g(int *p);
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void h(int p);
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int* f(void) {
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    int b[10];
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    int i;
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    struct {
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       int c[10];
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    } c;
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    a[-1] = 0;             /* { dg-warning "array subscript" } */
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    a[ 0] = 0;
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    a[ 1] = 0;
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    a[ 9] = 0;
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    a[10] = 0;             /* { dg-warning "array subscript" } */
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    a[11] = 0;             /* { dg-warning "array subscript" } */
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    a[2 * n() - 11] = 1;    /* { dg-warning "array subscript" } */
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    a[2 * n() - 10] = 1;
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    a[2 * n() -  1] = 1;
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    a[2 * n() -  0] = 1;    /* { dg-warning "array subscript" } */
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    b[-1] = 0;             /* { dg-warning "array subscript" } */
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    b[ 0] = 0;
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    b[ 1] = 0;
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    b[ 9] = 0;
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    b[10] = 0;             /* { dg-warning "array subscript" } */
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    b[11] = 0;             /* { dg-warning "array subscript" } */
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    b[2 * n() - 11] = 1;    /* { dg-warning "array subscript" } */
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    b[2 * n() - 10] = 1;
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    b[2 * n() -  1] = 1;
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    b[2 * n() -  0] = 1;    /* { dg-warning "array subscript" } */
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    c.c[-1] = 0;           /* { dg-warning "array subscript" } */
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    c.c[ 0] = 0;
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    c.c[ 1] = 0;
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    c.c[ 9] = 0;
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    c.c[10] = 0;           /* { dg-warning "array subscript" } */
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    c.c[11] = 0;           /* { dg-warning "array subscript" } */
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    c.c[2 * n() - 11] = 1;  /* { dg-warning "array subscript" } */
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    c.c[2 * n() - 10] = 1;
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    c.c[2 * n() -  1] = 1;
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    c.c[2 * n() -  0] = 1;  /* { dg-warning "array subscript" } */
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    g(&a[8]);
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    g(&a[9]);
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    g(&a[10]);
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    g(&a[11]);             /* { dg-warning "array subscript" } */
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    g(&a[-30]+10);             /* { dg-warning "array subscript" } */
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    g(&a[-30]+30);
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    g(&b[10]);
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    g(&c.c[10]);
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    g(&a[11]);             /* { dg-warning "array subscript" } */
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    g(&b[11]);             /* { dg-warning "array subscript" } */
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    g(&c.c[11]);           /* { dg-warning "array subscript" } */
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    g(&a[0]);
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    g(&b[0]);
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    g(&c.c[0]);
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    g(&a[-1]);             /* { dg-warning "array subscript" } */
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    g(&b[-1]);             /* { dg-warning "array subscript" } */
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    h(sizeof a[-1]);
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    h(sizeof a[10]);
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    h(sizeof b[-1]);
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    h(sizeof b[10]);
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    h(sizeof c.c[-1]);
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    h(sizeof c.c[10]);
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    if (10 < 10)
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       a[10] = 0;
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    if (10 < 10)
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       b[10] = 0;
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    if (-1 >= 0)
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       c.c[-1] = 0;
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    return a;
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}
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