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comparison gcc/testsuite/gcc.dg/c99-vla-2.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900 (2017-10-27)
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68:561a7518be6b 111:04ced10e8804
1 /* Test composite type of VLA and fixed-size array: should be the
2 fixed-size type. Bug 22192. */
3 /* Origin: Joseph Myers <joseph@codesourcery.com> */
4 /* { dg-do compile } */
5 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
6
7 /* Test that the given expression (of pointer-to-array type) points to
8 the right sort of array. */
9 #define TEST_FIXED_SIZE(a) do { static int x[sizeof(*(a))]; (void)x; } while (0)
10 #define TEST_VLA(a) do { (void)sizeof(*(a)); (void)(1 ? (a) : (__typeof__(**(a)) (*)[1])0); (void)(1 ? (a) : (__typeof__(**(a)) (*)[2])0); } while (0)
11 #define TEST_INCOMPLETE(a) do { __typeof__(*(a)) x = { 0 }; (void)x; (void)(1 ? a : (__typeof__(**(a)) (*)[1])0); (void)(1 ? a : (__typeof__(**(a)) (*)[2])0); } while (0)
12
13 #define TEST_COMP_FIX(a, b) TEST_FIXED_SIZE(i ? a : b)
14 #define TEST_COMP_VLA(a, b) TEST_VLA(i ? a : b)
15 #define TEST_COMP_INC(a, b) TEST_INCOMPLETE(i ? a : b)
16
17 void
18 foo (int i, int j)
19 {
20 typedef int I;
21 int (*pf)[2];
22 int (*pv)[i];
23 int (*pi)[];
24 I (*pfI)[2];
25 I (*pvI)[i];
26 I (*piI)[];
27 TEST_COMP_FIX(pf, pf);
28 TEST_COMP_FIX(pf, pv);
29 TEST_COMP_FIX(pf, pi);
30 TEST_COMP_FIX(pf, pfI);
31 TEST_COMP_FIX(pf, pvI);
32 TEST_COMP_FIX(pf, piI);
33 TEST_COMP_FIX(pv, pf);
34 TEST_COMP_VLA(pv, pv);
35 TEST_COMP_VLA(pv, pi);
36 TEST_COMP_FIX(pv, pfI);
37 TEST_COMP_VLA(pv, pvI);
38 TEST_COMP_VLA(pv, piI);
39 TEST_COMP_FIX(pi, pf);
40 TEST_COMP_VLA(pi, pv);
41 TEST_COMP_INC(pi, pi);
42 TEST_COMP_FIX(pi, pfI);
43 TEST_COMP_VLA(pi, pvI);
44 TEST_COMP_INC(pi, piI);
45 TEST_COMP_FIX(pfI, pf);
46 TEST_COMP_FIX(pfI, pv);
47 TEST_COMP_FIX(pfI, pi);
48 TEST_COMP_FIX(pfI, pfI);
49 TEST_COMP_FIX(pfI, pvI);
50 TEST_COMP_FIX(pfI, piI);
51 TEST_COMP_FIX(pvI, pf);
52 TEST_COMP_VLA(pvI, pv);
53 TEST_COMP_VLA(pvI, pi);
54 TEST_COMP_FIX(pvI, pfI);
55 TEST_COMP_VLA(pvI, pvI);
56 TEST_COMP_VLA(pvI, piI);
57 TEST_COMP_FIX(piI, pf);
58 TEST_COMP_VLA(piI, pv);
59 TEST_COMP_INC(piI, pi);
60 TEST_COMP_FIX(piI, pfI);
61 TEST_COMP_VLA(piI, pvI);
62 TEST_COMP_INC(piI, piI);
63 typedef int (*Ti)[i];
64 typedef int (*Tj)[j];
65 Ti (*qf)[2];
66 Ti (*qv)[i];
67 Ti (*qi)[];
68 Tj (*rf)[2];
69 Tj (*rv)[j];
70 Tj (*ri)[];
71 TEST_COMP_FIX(qf, qf);
72 TEST_COMP_FIX(qf, qv);
73 TEST_COMP_FIX(qf, qi);
74 TEST_COMP_FIX(qf, rf);
75 TEST_COMP_FIX(qf, rv);
76 TEST_COMP_FIX(qf, ri);
77 TEST_COMP_FIX(qv, qf);
78 TEST_COMP_VLA(qv, qv);
79 TEST_COMP_VLA(qv, qi);
80 TEST_COMP_FIX(qv, rf);
81 TEST_COMP_VLA(qv, rv);
82 TEST_COMP_VLA(qv, ri);
83 TEST_COMP_FIX(qi, qf);
84 TEST_COMP_VLA(qi, qv);
85 TEST_COMP_INC(qi, qi);
86 TEST_COMP_FIX(qi, rf);
87 TEST_COMP_VLA(qi, rv);
88 TEST_COMP_INC(qi, ri);
89 TEST_COMP_FIX(rf, qf);
90 TEST_COMP_FIX(rf, qv);
91 TEST_COMP_FIX(rf, qi);
92 TEST_COMP_FIX(rf, rf);
93 TEST_COMP_FIX(rf, rv);
94 TEST_COMP_FIX(rf, ri);
95 TEST_COMP_FIX(rv, qf);
96 TEST_COMP_VLA(rv, qv);
97 TEST_COMP_VLA(rv, qi);
98 TEST_COMP_FIX(rv, rf);
99 TEST_COMP_VLA(rv, rv);
100 TEST_COMP_VLA(rv, ri);
101 TEST_COMP_FIX(ri, qf);
102 TEST_COMP_VLA(ri, qv);
103 TEST_COMP_INC(ri, qi);
104 TEST_COMP_FIX(ri, rf);
105 TEST_COMP_VLA(ri, rv);
106 TEST_COMP_INC(ri, ri);
107 }