Linking arm64 with is_hwasan=true results in unknown relocation: R_AARCH64_MOVW_PREL_G3

[agrieve]

Trying out mold on Chrome, and found it fails with is_hwasan=true:
https://ci.chromium.org/ui/p/chrome/builders/ci/clang-hwasan-release-builder-arm64/30389/overview

mold: error: obj/base/test/test_trace_processor/test_trace_processor_impl.o:(.text): unknown relocation: R_AARCH64_MOVW_PREL_G3
mold: error: obj/base/test/test_trace_processor/test_trace_processor_impl.o:(.text): unknown relocation: R_AARCH64_MOVW_PREL_G3
mold: error: obj/base/test/test_trace_processor/test_trace_processor_impl.o:(.text): unknown relocation: R_AARCH64_MOVW_PREL_G3
...