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Commit | Line | Data |
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1be51a3a MS |
1 | /* PR c++/97201 - ICE in -Warray-bounds writing to result of operator new(0) |
2 | Verify that out-of-bounds accesses to memory returned by default operator | |
3 | new() are diagnosed. | |
4 | { dg-do compile } | |
5 | { dg-options "-O2 -Wall -Warray-bounds -ftrack-macro-expansion=0" } */ | |
6 | ||
7 | typedef __INT32_TYPE__ int32_t; | |
8 | ||
9 | void sink (void*); | |
10 | ||
11 | #define OP_NEW(n) operator new (n) | |
12 | #define T(T, n, i) do { \ | |
13 | T *p = (T*) OP_NEW (n); \ | |
14 | p[i] = 0; \ | |
15 | sink (p); \ | |
16 | } while (0) | |
17 | ||
18 | void warn_op_new () | |
19 | { | |
20 | T (int32_t, 0, 0); // { dg-warning "array subscript 0 is outside array bounds of 'int32_t \\\[0]'" } | |
a1108556 | 21 | // { dg-message "object of size \\d allocated by '\[^\n\r]*operator new\[^\n\r]*'" "note" { target *-*-* } .-1 } |
8e99b5ba HPN |
22 | T (int32_t, 1, 0); // { dg-warning "array subscript 'int32_t {aka (long )?int}\\\[0]' is partly outside array bounds of 'unsigned char \\\[1]'" } |
23 | T (int32_t, 2, 0); // { dg-warning "array subscript 'int32_t {aka (long )?int}\\\[0]' is partly outside array bounds of 'unsigned char \\\[2]'" } | |
24 | T (int32_t, 3, 0); // { dg-warning "array subscript 'int32_t {aka (long )?int}\\\[0]' is partly outside array bounds of 'unsigned char \\\[3]'" } | |
1be51a3a MS |
25 | |
26 | T (int32_t, 4, 0); | |
27 | ||
28 | T (int32_t, 0, 1); // { dg-warning "array subscript 1 is outside array bounds of 'int32_t \\\[0]'" } | |
29 | T (int32_t, 1, 1); // { dg-warning "array subscript 1 is outside array bounds " } | |
30 | T (int32_t, 2, 1); // { dg-warning "array subscript 1 is outside array bounds " } | |
31 | T (int32_t, 3, 1); // { dg-warning "array subscript 1 is outside array bounds " } | |
32 | T (int32_t, 4, 1); // { dg-warning "array subscript 1 is outside array bounds " } | |
8e99b5ba HPN |
33 | T (int32_t, 5, 1); // { dg-warning "array subscript 'int32_t {aka (long )?int}\\\[1]' is partly outside array bounds of 'unsigned char \\\[5]" } |
34 | T (int32_t, 6, 1); // { dg-warning "array subscript 'int32_t {aka (long )?int}\\\[1]' is partly outside array bounds of 'unsigned char \\\[6]" } | |
35 | T (int32_t, 7, 1); // { dg-warning "array subscript 'int32_t {aka (long )?int}\\\[1]' is partly outside array bounds of 'unsigned char \\\[7]" } | |
1be51a3a MS |
36 | |
37 | T (int32_t, 8, 1); | |
38 | } | |
39 | ||
40 | ||
41 | void warn_op_array_new () | |
42 | { | |
43 | #undef OP_NEW | |
44 | #define OP_NEW(n) operator new[] (n) | |
45 | ||
46 | T (int32_t, 0, 0); // { dg-warning "array subscript 0 is outside array bounds of 'int32_t \\\[0]'" } | |
a1108556 | 47 | // { dg-message "object of size \\d allocated by '\[^\n\r]*operator new\[^\n\r]*'" "note" { target *-*-* } .-1 } |
8e99b5ba HPN |
48 | T (int32_t, 1, 0); // { dg-warning "array subscript 'int32_t {aka (long )?int}\\\[0]' is partly outside array bounds of 'unsigned char \\\[1]'" } |
49 | T (int32_t, 2, 0); // { dg-warning "array subscript 'int32_t {aka (long )?int}\\\[0]' is partly outside array bounds of 'unsigned char \\\[2]'" } | |
50 | T (int32_t, 3, 0); // { dg-warning "array subscript 'int32_t {aka (long )?int}\\\[0]' is partly outside array bounds of 'unsigned char \\\[3]'" } | |
1be51a3a MS |
51 | |
52 | T (int32_t, 4, 0); | |
53 | ||
54 | T (int32_t, 0, 1); // { dg-warning "array subscript 1 is outside array bounds of 'int32_t \\\[0]'" } | |
55 | T (int32_t, 1, 1); // { dg-warning "array subscript 1 is outside array bounds " } | |
56 | T (int32_t, 2, 1); // { dg-warning "array subscript 1 is outside array bounds " } | |
57 | T (int32_t, 3, 1); // { dg-warning "array subscript 1 is outside array bounds " } | |
58 | T (int32_t, 4, 1); // { dg-warning "array subscript 1 is outside array bounds " } | |
8e99b5ba HPN |
59 | T (int32_t, 5, 1); // { dg-warning "array subscript 'int32_t {aka (long )?int}\\\[1]' is partly outside array bounds of 'unsigned char \\\[5]" } |
60 | T (int32_t, 6, 1); // { dg-warning "array subscript 'int32_t {aka (long )?int}\\\[1]' is partly outside array bounds of 'unsigned char \\\[6]" } | |
61 | T (int32_t, 7, 1); // { dg-warning "array subscript 'int32_t {aka (long )?int}\\\[1]' is partly outside array bounds of 'unsigned char \\\[7]" } | |
1be51a3a MS |
62 | |
63 | T (int32_t, 8, 1); | |
64 | } |