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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/builtin-object-size-13.c351
1 files changed, 351 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/builtin-object-size-13.c b/gcc-4.9/gcc/testsuite/gcc.dg/builtin-object-size-13.c
new file mode 100644
index 000000000..80a6280e3
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/builtin-object-size-13.c
@@ -0,0 +1,351 @@
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+
+typedef __SIZE_TYPE__ size_t;
+extern void *malloc (size_t);
+extern void free (void *);
+extern void abort (void);
+
+union A
+{
+ int a1;
+ char a2[3];
+};
+
+union B
+{
+ long long b1;
+ union A b2;
+};
+
+struct C
+{
+ int c1;
+ union A c2;
+};
+
+struct D
+{
+ int d1;
+ union B d2;
+};
+
+union E
+{
+ struct C e1;
+ char e2[3];
+};
+
+union F
+{
+ int f1;
+ struct D f2;
+};
+
+struct G
+{
+ union A g1;
+ char g2;
+};
+
+struct H
+{
+ int h1;
+ union E h2;
+};
+
+#define T(X, S0, S1) \
+ if (__builtin_object_size (X, 0) != (S0)) \
+ abort (); \
+ if (__builtin_object_size (X, 1) != (S1)) \
+ abort (); \
+ if (__builtin_object_size (X, 2) != (S0)) \
+ abort (); \
+ if (__builtin_object_size (X, 3) != (S1)) \
+ abort ()
+#define TS(X, S0) T(&X, S0, sizeof (X))
+#define TA(X, S0, S1) \
+ T(X, S0, S1); T(&X[0], S0, S1); T(&X[1], (S0) - 1, (S1) - 1)
+#define TF(X, S0) TA(X, S0, S0)
+
+int
+main (void)
+{
+ size_t s, o, o2;
+
+ s = sizeof (union A);
+ o = 0;
+ union A *a1 = malloc (s);
+ union A *a2 = malloc (o + 212);
+ TS (a1->a1, s);
+ s = o + 212;
+ TS (a2->a1, s);
+ free (a2);
+ free (a1);
+ s = sizeof (union A);
+ o = 0;
+ a1 = malloc (s);
+ a2 = malloc (o + 212);
+ TF (a1->a2, s);
+ s = o + 212;
+ TF (a2->a2, s);
+ free (a2);
+ free (a1);
+
+ s = sizeof (union B);
+ o = 0;
+ union B *b1 = malloc (s);
+ union B *b2 = malloc (o + 212);
+ TS (b1->b1, s);
+ s = o + 212;
+ TS (b2->b1, s);
+ free (b2);
+ free (b1);
+ s = sizeof (union B);
+ o = 0;
+ b1 = malloc (s);
+ b2 = malloc (o + 212);
+ TS (b1->b2.a1, s);
+ s = o + 212;
+ TS (b2->b2.a1, s);
+ free (b2);
+ free (b1);
+ s = sizeof (union B);
+ o = 0;
+ b1 = malloc (s);
+ b2 = malloc (o + 212);
+ TF (b1->b2.a2, s);
+ s = o + 212;
+ TF (b2->b2.a2, s);
+ free (b2);
+ free (b1);
+
+ s = sizeof (struct C);
+ o = __builtin_offsetof (struct C, c2);
+ struct C *c1 = malloc (s);
+ struct C *c2 = malloc (o + 212);
+ TS (c1->c1, s);
+ s = o + 212;
+ TS (c2->c1, s);
+ free (c2);
+ free (c1);
+ s = sizeof (struct C);
+ o = __builtin_offsetof (struct C, c2);
+ c1 = malloc (s);
+ c2 = malloc (o + 212);
+ TS (c1->c2.a1, s - o);
+ s = o + 212;
+ TS (c2->c2.a1, s - o);
+ free (c2);
+ free (c1);
+ s = sizeof (struct C);
+ o = __builtin_offsetof (struct C, c2);
+ c1 = malloc (s);
+ c2 = malloc (o + 212);
+ TF (c1->c2.a2, s - o);
+ s = o + 212;
+ TF (c2->c2.a2, s - o);
+ free (c2);
+ free (c1);
+
+ s = sizeof (struct D);
+ o = __builtin_offsetof (struct D, d2);
+ struct D *d1 = malloc (s);
+ struct D *d2 = malloc (o + 212);
+ TS (d1->d1, s);
+ s = o + 212;
+ TS (d2->d1, s);
+ free (d2);
+ free (d1);
+ s = sizeof (struct D);
+ o = __builtin_offsetof (struct D, d2);
+ d1 = malloc (s);
+ d2 = malloc (o + 212);
+ TS (d1->d2.b1, s - o);
+ s = o + 212;
+ TS (d2->d2.b1, s - o);
+ free (d2);
+ free (d1);
+ s = sizeof (struct D);
+ o = __builtin_offsetof (struct D, d2);
+ d1 = malloc (s);
+ d2 = malloc (o + 212);
+ TS (d1->d2.b2.a1, s - o);
+ s = o + 212;
+ TS (d2->d2.b2.a1, s - o);
+ free (d2);
+ free (d1);
+ s = sizeof (struct D);
+ o = __builtin_offsetof (struct D, d2);
+ d1 = malloc (s);
+ d2 = malloc (o + 212);
+ TF (d1->d2.b2.a2, s - o);
+ s = o + 212;
+ TF (d2->d2.b2.a2, s - o);
+ free (d2);
+ free (d1);
+
+ s = sizeof (union E);
+ o = __builtin_offsetof (union E, e1.c2);
+ union E *e1 = malloc (s);
+ union E *e2 = malloc (o + 212);
+ TS (e1->e1.c1, s);
+ s = o + 212;
+ TS (e2->e1.c1, s);
+ free (e2);
+ free (e1);
+ s = sizeof (union E);
+ o = __builtin_offsetof (union E, e1.c2);
+ e1 = malloc (s);
+ e2 = malloc (o + 212);
+ TS (e1->e1.c2.a1, s - o);
+ s = o + 212;
+ TS (e2->e1.c2.a1, s - o);
+ free (e2);
+ free (e1);
+ s = sizeof (union E);
+ o = __builtin_offsetof (union E, e1.c2);
+ e1 = malloc (s);
+ e2 = malloc (o + 212);
+ TF (e1->e1.c2.a2, s - o);
+ s = o + 212;
+ TF (e2->e1.c2.a2, s - o);
+ free (e2);
+ free (e1);
+ s = sizeof (union E);
+ o = __builtin_offsetof (union E, e1.c2);
+ e1 = malloc (s);
+ e2 = malloc (o + 212);
+ TF (e1->e2, s);
+ s = o + 212;
+ TF (e2->e2, s);
+ free (e2);
+ free (e1);
+
+ s = sizeof (union F);
+ o = __builtin_offsetof (union F, f2.d2);
+ union F *f1 = malloc (s);
+ union F *f2 = malloc (o + 212);
+ TS (f1->f1, s);
+ s = o + 212;
+ TS (f2->f1, s);
+ free (f2);
+ free (f1);
+ s = sizeof (union F);
+ o = __builtin_offsetof (union F, f2.d2);
+ f1 = malloc (s);
+ f2 = malloc (o + 212);
+ TS (f1->f2.d1, s);
+ s = o + 212;
+ TS (f2->f2.d1, s);
+ free (f2);
+ free (f1);
+ s = sizeof (union F);
+ o = __builtin_offsetof (union F, f2.d2);
+ f1 = malloc (s);
+ f2 = malloc (o + 212);
+ TS (f1->f2.d2.b1, s - o);
+ s = o + 212;
+ TS (f2->f2.d2.b1, s - o);
+ free (f2);
+ free (f1);
+ s = sizeof (union F);
+ o = __builtin_offsetof (union F, f2.d2);
+ f1 = malloc (s);
+ f2 = malloc (o + 212);
+ TS (f1->f2.d2.b2.a1, s - o);
+ s = o + 212;
+ TS (f2->f2.d2.b2.a1, s - o);
+ free (f2);
+ free (f1);
+ s = sizeof (union F);
+ o = __builtin_offsetof (union F, f2.d2);
+ f1 = malloc (s);
+ f2 = malloc (o + 212);
+ TF (f1->f2.d2.b2.a2, s - o);
+ s = o + 212;
+ TF (f2->f2.d2.b2.a2, s - o);
+ free (f2);
+ free (f1);
+
+ s = sizeof (struct G);
+ o = __builtin_offsetof (struct G, g2);
+ struct G *g1 = malloc (s);
+ struct G *g2 = malloc (o + 212);
+ TS (g1->g1.a1, s);
+ s = o + 212;
+ TS (g2->g1.a1, s);
+ free (g2);
+ free (g1);
+ s = sizeof (struct G);
+ o = __builtin_offsetof (struct G, g2);
+ g1 = malloc (s);
+ g2 = malloc (o + 212);
+ TA (g1->g1.a2, s, sizeof (g1->g1.a2));
+ s = o + 212;
+ TA (g2->g1.a2, s, sizeof (g1->g1.a2));
+ free (g2);
+ free (g1);
+ s = sizeof (struct G);
+ o = __builtin_offsetof (struct G, g2);
+ g1 = malloc (s);
+ g2 = malloc (o + 212);
+ TS (g1->g2, s - o);
+ s = o + 212;
+ TS (g2->g2, s - o);
+ free (g2);
+ free (g1);
+
+ s = sizeof (struct H);
+ o = __builtin_offsetof (struct H, h2);
+ o2 = __builtin_offsetof (struct H, h2.e1.c2);
+ struct H *h1 = malloc (s);
+ struct H *h2 = malloc (o2 + 212);
+ TS (h1->h1, s);
+ s = o2 + 212;
+ TS (h2->h1, s);
+ free (h2);
+ free (h1);
+ s = sizeof (struct H);
+ o = __builtin_offsetof (struct H, h2);
+ o2 = __builtin_offsetof (struct H, h2.e1.c2);
+ h1 = malloc (s);
+ h2 = malloc (o2 + 212);
+ TS (h1->h2.e1.c1, s - o);
+ s = o2 + 212;
+ TS (h2->h2.e1.c1, s - o);
+ free (h2);
+ free (h1);
+ s = sizeof (struct H);
+ o = __builtin_offsetof (struct H, h2);
+ o2 = __builtin_offsetof (struct H, h2.e1.c2);
+ h1 = malloc (s);
+ h2 = malloc (o2 + 212);
+ TS (h1->h2.e1.c2.a1, s - o2);
+ s = o2 + 212;
+ TS (h2->h2.e1.c2.a1, s - o2);
+ free (h2);
+ free (h1);
+ s = sizeof (struct H);
+ o = __builtin_offsetof (struct H, h2);
+ o2 = __builtin_offsetof (struct H, h2.e1.c2);
+ h1 = malloc (s);
+ h2 = malloc (o2 + 212);
+ TA (h1->h2.e1.c2.a2, s - o2, sizeof (h1->h2.e1.c2.a2));
+ s = o2 + 212;
+ TA (h2->h2.e1.c2.a2, s - o2, sizeof (h2->h2.e1.c2.a2));
+ free (h2);
+ free (h1);
+ s = sizeof (struct H);
+ o = __builtin_offsetof (struct H, h2);
+ o2 = __builtin_offsetof (struct H, h2.e1.c2);
+ h1 = malloc (s);
+ h2 = malloc (o2 + 212);
+ TF (h1->h2.e2, s - o);
+ s = o2 + 212;
+ TF (h2->h2.e2, s - o);
+ free (h2);
+ free (h1);
+
+ return 0;
+}
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