[bazel][libc] Add missing dependency (llvm#164668)

Fixes llvm#164522.

Author: googlewalt

utils/bazel/llvm-project-overlay/libc/test/src/math/libc_math_test_rules.bzl

@@ -35,6 +35,7 @@ def math_test(name, hdrs = [], deps = [], **kwargs):
             "//libc:__support_fputil_manipulation_functions",
             "//libc:__support_fputil_nearest_integer_operations",
             "//libc:__support_fputil_normal_float",
+            "//libc:__support_macros_optimization",
             "//libc:__support_macros_properties_architectures",
             "//libc:__support_macros_properties_os",
             "//libc:__support_macros_properties_types",