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wcc/check: #24-sib reject array-payload tagged-union construction, both stages

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Constructing an array-typed payload into a tagged-union variant silently
dropped it (cstage MOVQ $0 -> returns 0; wwstage match-loud only). Reject
the construct when the selected variant chases to TY_ARRAY (target
TY_TAGGED, non-tagged source). tagged-struct/slice/scalar/str variants and
the array TYPE-decl stay legal. Faithful array-into-box block-store
deferred (#6). test/wcc/834 (new) + Makefile.
This commit is contained in:
Hojun-Cho
2026-06-09 17:30:34 +09:00
parent 785fe342fa
commit d1ac836fb9
6 changed files with 502 additions and 0 deletions
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7
Makefile
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@@ -258,6 +258,7 @@ TESTS = $(BIN)/test_smoke $(BIN)/test_lex $(BIN)/test_parse $(BIN)/test_check \
$(BIN)/test_str_eq \
$(BIN)/test_overlong_arrlit \
$(BIN)/test_tuple_elem_overlong \
$(BIN)/test_tagged_arr_variant \
$(BIN)/test_inferred_array_global \
$(BIN)/test_slice_str_global_arg \
$(BIN)/test_slice_str_global_zero \
@@ -723,6 +724,12 @@ $(BIN)/test_tuple_elem_overlong: test/wcc/832_tuple_elem_overlong.c $(BIN)/ww \
$(LIB)/libwwrt.a | $(BIN)
$(CC) $(CFLAGS) -o $@ $<
$(BIN)/test_tagged_arr_variant: test/wcc/834_tagged_arr_variant.c $(BIN)/ww \
$(BIN)/w6c $(BIN)/w6a $(BIN)/w6l \
$(BIN)/ww_ww $(BIN)/w6c_ww $(BIN)/w6a_ww $(BIN)/w6l_ww \
$(LIB)/libwwrt.a | $(BIN)
$(CC) $(CFLAGS) -o $@ $<
$(BIN)/test_inferred_array_global: test/wcc/833_inferred_array_global.c $(BIN)/ww \
$(BIN)/w6c $(BIN)/w6a $(BIN)/w6l \
$(BIN)/ww_ww $(BIN)/w6c_ww $(BIN)/w6a_ww $(BIN)/w6l_ww \