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-rw-r--r--lib/Makefile1
-rw-r--r--lib/test_ubsan.c4
2 files changed, 3 insertions, 2 deletions
diff --git a/lib/Makefile b/lib/Makefile
index 6b09731d8e619..bc36a5c167dbe 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -69,6 +69,7 @@ obj-$(CONFIG_HASH_KUNIT_TEST) += test_hash.o
obj-$(CONFIG_TEST_IDA) += test_ida.o
obj-$(CONFIG_TEST_UBSAN) += test_ubsan.o
CFLAGS_test_ubsan.o += $(call cc-disable-warning, vla)
+CFLAGS_test_ubsan.o += $(call cc-disable-warning, unused-but-set-variable)
UBSAN_SANITIZE_test_ubsan.o := y
obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o
obj-$(CONFIG_TEST_LIST_SORT) += test_list_sort.o
diff --git a/lib/test_ubsan.c b/lib/test_ubsan.c
index 2062be1f2e80f..f4ee2484d4b5e 100644
--- a/lib/test_ubsan.c
+++ b/lib/test_ubsan.c
@@ -23,8 +23,8 @@ static void test_ubsan_divrem_overflow(void)
static void test_ubsan_shift_out_of_bounds(void)
{
volatile int neg = -1, wrap = 4;
- int val1 = 10;
- int val2 = INT_MAX;
+ volatile int val1 = 10;
+ volatile int val2 = INT_MAX;
UBSAN_TEST(CONFIG_UBSAN_SHIFT, "negative exponent");
val1 <<= neg;