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.

selfhost/cmd/wwdump/main.ww

@@ -135,6 +135,11 @@ export fn main(argc: i32, argv: **u8) i32 = {
 		let ps: parser;
 		parserinit(&ps, &l);
 		let f: *node = parsefile(&ps);
+		// #52: gate the resolve report on parse-stage errors. Without
+		// this a parse-errored decl is silently dropped from the AST
+		// and the report is printed with rc=0. Mirrors w6c main.ww:162
+		// / cmd/w6c/main.c.
+		if (l.errs > 0 || ps.errs > 0) { return 1; };
 		let tc: tctx;
 		typesinit(&tc);
 		let ck: checker;
@@ -158,6 +163,12 @@ export fn main(argc: i32, argv: **u8) i32 = {
 		let ps: parser;
 		parserinit(&ps, &l);
 		let f: *node = parsefile(&ps);
+		// #52: gate cgen on parse-stage errors BEFORE check/cgen.
+		// A parse-errored decl is silently dropped from the AST; the
+		// remaining file would otherwise emit asm with rc=0 (silent
+		// miscompile, and the 994 byte-identity probe ships wrong asm
+		// silently). Mirrors w6c main.ww:162 / cmd/w6c/main.c.
+		if (l.errs > 0 || ps.errs > 0) { return 1; };
 		// #50: mirror w6c — run check before cgen so AST mutations
 		// from #42 (size/align/offset fold) and audit §1.8 (node.type_
 		// population) land before cgen walks. Without this, wwdump -c