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authorCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
committerCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
commitbe1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch)
tree1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/Sema/array-bounds-ptr-arith.c
parentc4626a62754862d20b41e8a46a3574264ea80e6d (diff)
parentf1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff)
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/Sema/array-bounds-ptr-arith.c')
-rw-r--r--clang/test/Sema/array-bounds-ptr-arith.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/clang/test/Sema/array-bounds-ptr-arith.c b/clang/test/Sema/array-bounds-ptr-arith.c
new file mode 100644
index 0000000..022335b
--- /dev/null
+++ b/clang/test/Sema/array-bounds-ptr-arith.c
@@ -0,0 +1,21 @@
+// RUN: %clang_cc1 -verify -Warray-bounds-pointer-arithmetic %s
+
+// Test case from PR10615
+struct ext2_super_block{
+ unsigned char s_uuid[8]; // expected-note {{declared here}}
+};
+void* ext2_statfs (struct ext2_super_block *es,int a)
+{
+ return (void *)es->s_uuid + sizeof(int); // no-warning
+}
+void* broken (struct ext2_super_block *es,int a)
+{
+ return (void *)es->s_uuid + 80; // expected-warning {{refers past the end of the array}}
+}
+
+// Test case reduced from PR11594
+struct S { int n; };
+void pr11594(struct S *s) {
+ int a[10];
+ int *p = a - s->n;
+}