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1 // RUN: %clang_cc1 -verify -Warray-bounds-pointer-arithmetic %s
2 
3 // Test case from PR10615
4 struct ext2_super_block{
5   unsigned char s_uuid[8]; // expected-note {{declared here}}
6 };
ext2_statfs(struct ext2_super_block * es,int a)7 void* ext2_statfs (struct ext2_super_block *es,int a)
8 {
9 	 return (void *)es->s_uuid + sizeof(int); // no-warning
10 }
broken(struct ext2_super_block * es,int a)11 void* broken (struct ext2_super_block *es,int a)
12 {
13 	 return (void *)es->s_uuid + 80; // expected-warning {{refers past the end of the array}}
14 }
15 
16 // Test case reduced from PR11594
17 struct S { int n; };
pr11594(struct S * s)18 void pr11594(struct S *s) {
19   int a[10];
20   int *p = a - s->n;
21 }
22 
23 // Test case reduced from <rdar://problem/11387038>.  This resulted in
24 // an assertion failure because of the typedef instead of an explicit
25 // constant array type.
26 struct RDar11387038 {};
27 typedef struct RDar11387038 RDar11387038Array[1];
28 struct RDar11387038_Table {
29   RDar11387038Array z;
30 };
31 typedef struct RDar11387038_Table * TPtr;
32 typedef TPtr *TabHandle;
33 struct RDar11387038_B { TabHandle x; };
34 typedef struct RDar11387038_B RDar11387038_B;
35 
radar11387038()36 void radar11387038() {
37   RDar11387038_B *pRDar11387038_B;
38   struct RDar11387038* y = &(*pRDar11387038_B->x)->z[4];
39 }
40