Add a synthetic dependency from golden tests to the matching Crubit binary

cc_bindings_from_rs/test/golden/golden_test.bzl

@@ -44,6 +44,14 @@ _generate_bindings = rule(
             aspects = [cc_bindings_from_rust_aspect],
             cfg = crubit_flavor_transition,
         ),
+        # Synthetic dependency to ensure even a coarse `bazel query` analysis finds a transitive
+        # dependency from Crubit tool sources to golden test bindings.
+        "_cc_bindings_from_rs_binary": attr.label(
+            default = "//cc_bindings_from_rs",
+            executable = True,
+            allow_single_file = True,
+            cfg = "exec",
+        ),
     },
     implementation = _generate_bindings_impl,
 )

common/golden_update.sh

@@ -17,6 +17,5 @@ bazel test \
   --config=llvm-unstable \
   --test_strategy=local \
   --test_env=WRITE_GOLDENS=1 \
-  --cache_test_results=no \
   -k \
   $TESTS_TO_RUN

rs_bindings_from_cc/test/golden/golden_test.bzl

@@ -36,6 +36,14 @@ _generate_bindings = rule(
             aspects = [rust_bindings_from_cc_aspect],
             cfg = crubit_flavor_transition,
         ),
+        # Synthetic dependency to ensure even a coarse `bazel query` analysis finds a transitive
+        # dependency from Crubit tool sources to golden test bindings.
+        "_rs_bindings_from_cc_binary": attr.label(
+            default = "//rs_bindings_from_cc",
+            executable = True,
+            allow_single_file = True,
+            cfg = "exec",
+        ),
     },
     implementation = _generate_bindings_impl,
 )