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-rw-r--r--malloc/tst-malloc-too-large.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/malloc/tst-malloc-too-large.c b/malloc/tst-malloc-too-large.c
index e23aa08e4f..dac3c8086c 100644
--- a/malloc/tst-malloc-too-large.c
+++ b/malloc/tst-malloc-too-large.c
@@ -95,7 +95,15 @@ test_large_allocations (size_t size)
DIAG_POP_NEEDS_COMMENT;
#endif
TEST_VERIFY (errno == ENOMEM);
+#if __GNUC_PREREQ (12, 0)
+ /* Ignore a warning about using a pointer made indeterminate by
+ a prior call to realloc(). */
+ DIAG_IGNORE_NEEDS_COMMENT (12, "-Wuse-after-free");
+#endif
free (ptr_to_realloc);
+#if __GNUC_PREREQ (12, 0)
+ DIAG_POP_NEEDS_COMMENT;
+#endif
for (size_t nmemb = 1; nmemb <= 8; nmemb *= 2)
if ((size % nmemb) == 0)
@@ -113,14 +121,30 @@ test_large_allocations (size_t size)
test_setup ();
TEST_VERIFY (reallocarray (ptr_to_realloc, nmemb, size / nmemb) == NULL);
TEST_VERIFY (errno == ENOMEM);
+#if __GNUC_PREREQ (12, 0)
+ /* Ignore a warning about using a pointer made indeterminate by
+ a prior call to realloc(). */
+ DIAG_IGNORE_NEEDS_COMMENT (12, "-Wuse-after-free");
+#endif
free (ptr_to_realloc);
+#if __GNUC_PREREQ (12, 0)
+ DIAG_POP_NEEDS_COMMENT;
+#endif
ptr_to_realloc = malloc (16);
TEST_VERIFY_EXIT (ptr_to_realloc != NULL);
test_setup ();
TEST_VERIFY (reallocarray (ptr_to_realloc, size / nmemb, nmemb) == NULL);
TEST_VERIFY (errno == ENOMEM);
+#if __GNUC_PREREQ (12, 0)
+ /* Ignore a warning about using a pointer made indeterminate by
+ a prior call to realloc(). */
+ DIAG_IGNORE_NEEDS_COMMENT (12, "-Wuse-after-free");
+#endif
free (ptr_to_realloc);
+#if __GNUC_PREREQ (12, 0)
+ DIAG_POP_NEEDS_COMMENT;
+#endif
}
else
break;