Index: lib/sanitizer_common/sanitizer_coverage_fuchsia.cc =================================================================== --- lib/sanitizer_common/sanitizer_coverage_fuchsia.cc +++ lib/sanitizer_common/sanitizer_coverage_fuchsia.cc @@ -49,7 +49,7 @@ // Collects trace-pc guard coverage. // This class relies on zero-initialization. -class TracePcGuardController { +class TracePcGuardController final { public: // For each PC location being tracked, there is a u32 reserved in global // data called the "guard". At startup, we assign each guard slot a @@ -113,11 +113,11 @@ // We can always spare the 32G of address space. static constexpr size_t MappingSize = sizeof(uptr) << 32; - BlockingMutex setup_lock_; - uptr *array_; - u32 next_index_; - zx_handle_t vmo_; - char vmo_name_[ZX_MAX_NAME_LEN]; + BlockingMutex setup_lock_{LINKER_INITIALIZED}; + uptr *array_{}; + u32 next_index_{}; + zx_handle_t vmo_{}; + char vmo_name_[ZX_MAX_NAME_LEN]{}; size_t DataSize() const { return next_index_ * sizeof(uintptr_t); }