forked from OSchip/llvm-project
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
// RUN: %clang_cc1 -verify -Warray-bounds-pointer-arithmetic %s
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// Test case from PR10615
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struct ext2_super_block{
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unsigned char s_uuid[8]; // expected-note {{declared here}}
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};
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void* ext2_statfs (struct ext2_super_block *es,int a)
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{
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return (void *)es->s_uuid + sizeof(int); // no-warning
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}
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void* broken (struct ext2_super_block *es,int a)
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{
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return (void *)es->s_uuid + 80; // expected-warning {{refers past the end of the array}}
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}
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// Test case reduced from PR11594
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struct S { int n; };
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void pr11594(struct S *s) {
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int a[10];
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int *p = a - s->n;
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}
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// Test case reduced from <rdar://problem/11387038>. This resulted in
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// an assertion failure because of the typedef instead of an explicit
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// constant array type.
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struct RDar11387038 {};
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typedef struct RDar11387038 RDar11387038Array[1];
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struct RDar11387038_Table {
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RDar11387038Array z;
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};
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typedef struct RDar11387038_Table * TPtr;
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typedef TPtr *TabHandle;
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struct RDar11387038_B { TabHandle x; };
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typedef struct RDar11387038_B RDar11387038_B;
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void radar11387038() {
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RDar11387038_B *pRDar11387038_B;
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struct RDar11387038* y = &(*pRDar11387038_B->x)->z[4];
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}
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