[libc][math] fix nan* death tests failing in asan builds (llvm#77110)

Author: nishantwrp

libc/test/src/math/smoke/nan_test.cpp

@@ -42,6 +42,8 @@ TEST_F(LlvmLibcNanTest, RandomString) {
   run_test("123 ", 0x7ff8000000000000);
 }
 
+#ifndef LIBC_HAVE_ADDRESS_SANITIZER
 TEST_F(LlvmLibcNanTest, InvalidInput) {
   EXPECT_DEATH([] { LIBC_NAMESPACE::nan(nullptr); }, WITH_SIGNAL(SIGSEGV));
 }
+#endif // LIBC_HAVE_ADDRESS_SANITIZER

libc/test/src/math/smoke/nanf_test.cpp

@@ -41,6 +41,8 @@ TEST_F(LlvmLibcNanfTest, RandomString) {
   run_test("123 ", 0x7fc00000);
 }
 
+#ifndef LIBC_HAVE_ADDRESS_SANITIZER
 TEST_F(LlvmLibcNanfTest, InvalidInput) {
   EXPECT_DEATH([] { LIBC_NAMESPACE::nanf(nullptr); }, WITH_SIGNAL(SIGSEGV));
 }
+#endif // LIBC_HAVE_ADDRESS_SANITIZER

libc/test/src/math/smoke/nanl_test.cpp

@@ -67,6 +67,8 @@ TEST_F(LlvmLibcNanlTest, RandomString) {
   run_test("123 ", expected);
 }
 
+#ifndef LIBC_HAVE_ADDRESS_SANITIZER
 TEST_F(LlvmLibcNanlTest, InvalidInput) {
   EXPECT_DEATH([] { LIBC_NAMESPACE::nanl(nullptr); }, WITH_SIGNAL(SIGSEGV));
 }
+#endif // LIBC_HAVE_ADDRESS_SANITIZER