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wcc/ww: loud dep_cycle reject + #31 dup-symbol gate (M3-tail c4, #46)

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Promote commit-3's tri-color topo bail into a loud dep_cycle error that names the full import cycle, byte-identical both stages (cmd/ww/main.c + selfhost/cmd/ww/main.ww, deps.ha:243 parity).

Add a non-vacuous negative gate (989_sepcycle_dup) proving the pre-existing w6l duplicate-symbol reject fires loud + non-zero on a cross-package collision; no new linker code.

#58(b)(c) link-arg parity deferred (system()-string vs procrun()-argv is structurally un-unifiable in this scope); #61 filed for the byte-id-blind w6l_ww dup-message divergence.
This commit is contained in:
Hojun-Cho
2026-06-16 13:30:45 +09:00
parent e37886b27d
commit 9cceb4ca8d
5 changed files with 400 additions and 21 deletions
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Makefile
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@@ -564,6 +564,7 @@ TESTS = $(BIN)/test_smoke $(BIN)/test_lex $(BIN)/test_parse $(BIN)/test_check \
$(BIN)/test_m2wwi_run \
$(BIN)/test_m3sep_run \
$(BIN)/test_sepbuild_run \
$(BIN)/test_sepcycle_dup \
$(BIN)/test_floatlit_run \
$(BIN)/test_checked_run \
$(BIN)/test_floatarr_run \
@@ -3107,6 +3108,16 @@ $(BIN)/test_sepbuild_run: test/wcc/989_sepbuild_run.c $(BIN)/ww $(BIN)/ww_ww \
$(BIN)/w6l $(BIN)/w6l_ww $(LIB)/libwwrt.a | $(BIN)
$(CC) $(CFLAGS) -o $@ $<
# 989_sepcycle_dup — M3-tail commit-4 negative gates (#46, #31): a loud
# dep-cycle reject (both driver stages, cs==ww stderr) + the #31
# duplicate-symbol reject (both linker stages). Needs both driver stages,
# both compiler stages (w6c/w6a build the dup .o), both linker stages, and
# libwwrt.a (the dup non-vacuity single-.o link).
$(BIN)/test_sepcycle_dup: test/wcc/989_sepcycle_dup.c $(BIN)/ww $(BIN)/ww_ww \
$(BIN)/w6c $(BIN)/w6a $(BIN)/w6l $(BIN)/w6l_ww \
$(LIB)/libwwrt.a | $(BIN)
$(CC) $(CFLAGS) -o $@ $<
$(BIN)/test_floatlit_run: test/wcc/989_floatlit_run.c $(BIN)/ww $(BIN)/w6c \
$(BIN)/w6c_ww $(BIN)/w6a $(BIN)/w6l $(LIB)/libwwrt.a | $(BIN)
$(CC) $(CFLAGS) -o $@ $<