wwdump: -c/-r gate on parse errors

wwdump's -c/-r modes emitted output from a garbage parse silently.
Gate on the parse-error count first (the w6c main gate, main.ww:162);
wwstage-only — the C wwdump has no -c/-r modes.

Makefile

@@ -263,6 +263,7 @@ TESTS	= $(BIN)/test_smoke $(BIN)/test_lex $(BIN)/test_parse $(BIN)/test_check \
 	  $(BIN)/test_defercap_run \
 	  $(BIN)/test_loopcap_run \
 	  $(BIN)/test_enumcap_run \
+	  $(BIN)/test_wwdumpgate_run \
 	  $(BIN)/test_ampfncollide_run \
 	  $(BIN)/test_trycallcollide_run \
 	  $(BIN)/test_gunsigned_run \
@@ -829,6 +830,13 @@ $(BIN)/test_enumcap_run: test/wcc/989_enumcap_run.c \
 		$(LIB)/libwwrt.a | $(BIN)
 	$(CC) $(CFLAGS) -o $@ $<
 
+# 989_wwdumpgate_run (#52, F15 c4): wwdump_ww's -c/-r arms gate on parse-stage
+# errors instead of silently emitting asm / a resolve report on a broken AST.
+# Runs wwdump + wwdump_ww directly (rule-10). See the test header.
+$(BIN)/test_wwdumpgate_run: test/wcc/989_wwdumpgate_run.c \
+		$(BIN)/wwdump $(BIN)/wwdump_ww | $(BIN)
+	$(CC) $(CFLAGS) -o $@ $<
+
 # 989_ampfncollide_run (#4, c2): `&fn` synthesis (unoptype TK_AMP +
 # assignableaddrfn) prefers the current module's fn when a same-leaf fn is
 # declared in a later module. Builds/rejects on BOTH driver twins (rule-10).