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-rw-r--r--clang/test/Analysis/out-of-bounds.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/test/Analysis/out-of-bounds.c b/clang/test/Analysis/out-of-bounds.c
index ed457e8..1f771c2 100644
--- a/clang/test/Analysis/out-of-bounds.c
+++ b/clang/test/Analysis/out-of-bounds.c
@@ -186,3 +186,11 @@ void test_assume_after_access2(unsigned long x) {
clang_analyzer_eval(x <= 99); // expected-warning{{TRUE}}
}
+struct incomplete;
+char test_comparison_with_extent_symbol(struct incomplete *p) {
+ // Previously this was reported as a (false positive) overflow error because
+ // the extent symbol of the area pointed by `p` was an unsigned and the '-1'
+ // was converted to its type by `evalBinOpNN`.
+ return ((char *)p)[-1]; // no-warning
+}
+