This patch adds the reproducers reported in PR 110014 as test cases. The
false positives in those cases are already fixed with PR 109577.
2023-06-09 Tim Lange <m...@tim-lange.me>
PR analyzer/110014
gcc/testsuite/ChangeLog:
* gcc.dg/analyzer/pr110014.c: New tests.
---
gcc/testsuite/gcc.dg/analyzer/pr110014.c | 25 ++++++++++++++++++++++++
1 file changed, 25 insertions(+)
create mode 100644 gcc/testsuite/gcc.dg/analyzer/pr110014.c
diff --git a/gcc/testsuite/gcc.dg/analyzer/pr110014.c
b/gcc/testsuite/gcc.dg/analyzer/pr110014.c
new file mode 100644
index 00000000000..d76b8781413
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/analyzer/pr110014.c
@@ -0,0 +1,25 @@
+void *realloc (void *, unsigned long)
+ __attribute__((__nothrow__, __leaf__))
+ __attribute__((__warn_unused_result__)) __attribute__((__alloc_size__ (2)));
+
+long *
+slurp (long *buffer, unsigned long file_size)
+{
+ unsigned long cc;
+ if (!__builtin_add_overflow (file_size - file_size % sizeof (long),
+ 2 * sizeof (long), &cc))
+ buffer = realloc (buffer, cc);
+ return buffer;
+}
+
+long *
+slurp1 (long *buffer, unsigned long file_size)
+{
+ return realloc (buffer, file_size - file_size % sizeof (long));
+}
+
+long *
+slurp2 (long *buffer, unsigned long file_size)
+{
+ return realloc (buffer, (file_size / sizeof (long)) * sizeof (long));
+}
--
2.40.1
