diff options
Diffstat (limited to 'lib/msan')
| -rw-r--r-- | lib/msan/tests/msan_test.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/msan/tests/msan_test.cc b/lib/msan/tests/msan_test.cc index 40f56270a..58f695e69 100644 --- a/lib/msan/tests/msan_test.cc +++ b/lib/msan/tests/msan_test.cc @@ -3724,8 +3724,10 @@ TEST(MemorySanitizer, ICmpRelational) { EXPECT_POISONED(poisoned(6, 0xF) > poisoned(7, 0)); EXPECT_POISONED(poisoned(0xF, 0xF) > poisoned(7, 0)); - - EXPECT_NOT_POISONED(poisoned(-1, 0x80000000U) >= poisoned(-1, 0U)); + // Note that "icmp op X, Y" is approximated with "or shadow(X), shadow(Y)" + // and therefore may generate false positives in some cases, e.g. the + // following one: + // EXPECT_NOT_POISONED(poisoned(-1, 0x80000000U) >= poisoned(-1, 0U)); } #if MSAN_HAS_M128 |