Add a test case for the divide-by-zero fix in r137234

llvm-svn: 137240

1 files changed, 14 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 00000000000..c0e0d0ea785
--- /dev/null
+++ b/clang/test/Sema/array-bounds-ptr-arith.c
@@ -0,0 +1,14 @@
+// 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}}
+}