clang_generator: Fix build breakage with most recent LLVM
clang_generator: Fix build breakage with most recent LLVM

PiperOrigin-RevId: 447443100
Change-Id: I7b7ca475be159dc5e2c2f4e6f1596ff7bb0438e2

google/sandboxed-api,google/sandboxed-api,google/sandboxed-api,google/sandboxed-api