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c6929231dccda6e63ae74bc3a512632925a2f68d
ww/test/wcc
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Hojun-Cho c6929231dc cgen: str arr[i].field = v store -> 3-word -- Phase 2 G1 (both stages) 
Storing a str into a field of an indexed element (arr[i].f = v) wrote only 2 words (ptr,len), dropping cap -- the write-side mirror of the arrfield read (c3bbe17), and the first STORE-cluster fold. The trap: the index scale (IMULQ via CX) clobbers CX=cap and the index-expr eval clobbers AX=ptr before the store. Fix composes two proven oracles -- arr[i]=v (cgen.c:3650) spills the value (PUSHQ CX/BX/AX) across the index/address computation, then s.f=v (cgen.c:2603) stages the dst address in DX (off the AX/BX/CX str convention) and stores ptr/len/cap at foff+{0,8,16}. Kind-gated (TY_STR/isstrtype, never size==24). cstage==wwstage byte-identical.

test/wcc/937: table-driven write-then-read-cap over [N]S / []S / [N]*S arr[i].f= ; rhs is a runtime cap!=len str (not a literal, which would be cap==len); all 3 slot words pre-poisoned via a DIFFERENT already-3-word store path so a stale 2-word store is detectable; asserts the full {ptr,len,cap} triple. Meaningful only now the reads are 3-word. fail-before/pass-after verified on both drivers.

main.combined.ww regenerated via the canonical make path (md5-stable).
2026-05-24 15:35:37 +09:00
..
data
cmd+selfhost+lib+test: directory-as-module enumeration in driver (#22)
2026-05-18 19:22:27 +09:00
000_smoke.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
100_lex.c
toolchain+lib+test: Go-style package/import keywords (#18)
2026-05-18 18:25:36 +09:00
200_parse.c
toolchain+lib+test: Go-style package/import keywords (#18)
2026-05-18 18:25:36 +09:00
300_check.c
cstage+selfhost+test: refuse same-block let / param redecl (#32)
2026-05-16 11:17:20 +09:00
400_w6c.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
500_w6a.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
510_dataw.c
w6a: DATAW directive for writable .data section
2026-05-12 11:35:50 +09:00
520_datar.c
w6a+w6l: DATAR directive for absolute-address relocs in .data
2026-05-12 12:45:11 +09:00
600_w6l.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
610_arch.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
620_data_link.c
w6l+selfhost: BSS optimisation — trim trailing .data zeros from filesz
2026-05-12 13:44:27 +09:00
630_let_global.c
w6c: slice reassignment — full triple flow through N_IDENT/N_SLICE/N_ASSIGN
2026-05-12 13:37:31 +09:00
631_def_neg_global.c
cstage+selfhost+test: fold unary-over-literal in def DATA emit (#24)
2026-05-16 03:00:34 +09:00
640_int_cast_signed.c
w6c+selfhost: cgen N_CAST signed narrow + peel !T on unsigned narrow
2026-05-13 20:06:24 +09:00
650_dot_chain.c
w6c+selfhost: cgen *T-rooted chained N_DOT (closes #22)
2026-05-14 02:44:57 +09:00
660_field_signed.c
w6c+selfhost: localloadop helper for sign-aware ident loads (closes #19)
2026-05-14 01:58:52 +09:00
670_frame_argcount.c
selfhost: cgfnparams variadic T... straddle stitch (closes #12)
2026-05-14 00:36:34 +09:00
680_arr_elem_field.c
w6c+selfhost: cgen N_DOT N_INDEX-lhs branch (closes #8)
2026-05-13 23:45:35 +09:00
681_arr_elem_field_write.c
w6c+selfhost: cg_widen_tagged_store basereg + N_ASSIGN tagged field (closes #26)
2026-05-14 19:12:20 +09:00
690_amp_dot.c
wcc: &s.len / &s.cap typed as *i64 (closes #13)
2026-05-14 00:21:53 +09:00
691_dot_slice_arg.c
w6c+selfhost: cgen N_DOT slice-field through *T root in call args (closes #29)
2026-05-14 23:45:14 +09:00
692_dot_str_chained_arg.c
selfhost: nodeisstr chained-str through value-struct in call args (closes #30)
2026-05-14 23:26:49 +09:00
693_dot_tagged_source.c
w6c+selfhost: cgdot N_DOT tagged-field source ABI (closes #28)
2026-05-15 01:08:52 +09:00
694_tagged_store_intlit.c
selfhost: parser tsuffix plumb + cgen N_UN peel for tagged-store variant index (closes #32)
2026-05-15 01:39:37 +09:00
695_match_bind_struct.c
selfhost: cgmatch bsz for TY_STRUCT variant bind (closes #31)
2026-05-15 02:14:00 +09:00
696_modtype_leaf_collision.c
lib+test: bufio rename bstream → stream
2026-05-15 14:16:53 +09:00
697_samemod_prefer.c
w6c+selfhost: same-module preference for bare-leaf lookup
2026-05-15 11:24:33 +09:00
698_cgreturn_struct.c
cstage+selfhost+test: System V AMD64 sret discipline for >24B struct return (#23)
2026-05-17 23:17:03 +09:00
699_use_promote_alias.c
cstage+test: SK_USE→SK_X promotion sets use_alias
2026-05-15 15:06:37 +09:00
700_e2e.c
lib/rt: rename rt_alloc → rt_malloc; rt.alloc → rt.malloc
2026-05-20 22:11:34 +09:00
701_cgassign_struct.c
cstage+selfhost+test: cgen N_ASSIGN whole-STRUCT (call+structlit, 5 sites)
2026-05-15 16:43:07 +09:00
702_dot_explicit_deref.c
cstage+selfhost+test: fix (*p).f silent drop in N_DOT lhs (read+write)
2026-05-15 18:13:02 +09:00
703_nested_structlit.c
cstage+selfhost+test: fix nested STRUCTLIT silent zero in BP-relative fills
2026-05-15 18:14:33 +09:00
704_dot_structlit.c
cstage+selfhost+test: extend structlit-fill helper to N_ASSIGN N_DOT lhs (4 flavors)
2026-05-15 18:45:21 +09:00
705_nested_call_rhs.c
cstage+selfhost+test: fix nested call-rhs silent zero in structlit fill (3rd of family)
2026-05-15 19:07:29 +09:00
706_fnlabel_mangle.c
selfhost+test: cgdot LEAQ-of-fn for module-qualified N_DOT (#12)
2026-05-16 00:07:00 +09:00
707_cgreturn_variant_zero.c
selfhost+test: resolve aliased tagged in taggedvariantindex (#20)
2026-05-16 13:58:22 +09:00
708_param_shadow_mod.c
test: extend 708 with mlet/forrange/mcase shadow rows (#28)
2026-05-16 10:47:50 +09:00
709_localoff_scope.c
cstage+selfhost+test: refuse same-block let / param redecl (#32)
2026-05-16 11:17:20 +09:00
710_cast_enum_movl.c
cstage+selfhost+test: principled identity-cast skip (#33)
2026-05-16 12:20:56 +09:00
711_arrlit_str_full.c
selfhost+test: nodeisstr handles N_INDEX of [N]str (#34)
2026-05-16 11:37:17 +09:00
712_redecl.c
cstage+selfhost+test: refuse same-block let / param redecl (#32)
2026-05-16 11:17:20 +09:00
713_struct_field_index.c
selfhost+test: wwstage type-info loss through struct-field N_INDEX (#37)
2026-05-16 12:52:36 +09:00
714_tagged_return_scratch.c
selfhost+test: single-source-of-truth @tagscr scratch reservation (#38)
2026-05-16 13:45:33 +09:00
715_tagged_widen_f64.c
test: revert 715 hex-RHS to decimal-u64 (close #41)
2026-05-16 23:32:27 +09:00
716_match_spill_pointer_payload.c
selfhost+test: size match-spill slot by scrutinee, not 24B (#9)
2026-05-17 00:00:55 +09:00
717_struct_byval_param.c
selfhost+test: decompose user-struct by-value params (#11)
2026-05-17 00:27:22 +09:00
718_struct_multi_return_scratch.c
cstage+selfhost+test: enforce single-slot @retscr both stages (#14)
2026-05-17 01:40:49 +09:00
719_signed_data_emit.c
cstage+selfhost+test: fold N_UN over signed int literal in let DATA emit (#19)
2026-05-17 07:25:49 +09:00
720_tagged_call_arg.c
selfhost+test: route tagged-CALL arg through natural push (#21)
2026-05-17 07:33:55 +09:00
721_sret_struct_return.c
cstage+selfhost+test: wire sret return-forwarding (#9)
2026-05-18 00:15:34 +09:00
722_match_slice_variant.c
selfhost+test: route N_TSLICE variant through shape-aware index helper (#19)
2026-05-18 01:51:57 +09:00
723_composite_call_arg.c
selfhost+test: route composite CALL return through nodeisslice (#24)
2026-05-18 02:20:42 +09:00
724_letdecl_zeroinit.c
selfhost+test: zero-init !void / void-alias let-decl slots (#22)
2026-05-18 02:49:06 +09:00
725_nested_if_labels.c
cstage+test: route cgreturn @retscr through fixed-name SSoT (#15)
2026-05-18 03:15:40 +09:00
726_alias_leaf_collision.c
toolchain+lib+test: Go-style package/import keywords (#18)
2026-05-18 18:25:36 +09:00
727_modcall_widen_slice.c
toolchain+lib+test: Go-style package/import keywords (#18)
2026-05-18 18:25:36 +09:00
728_match_4arm_cross_module.c
toolchain+lib+test: Go-style package/import keywords (#18)
2026-05-18 18:25:36 +09:00
730_sret_narrow_field.c
cstage+test: walk fields for sret callee struct-copy width (#33)
2026-05-18 12:01:34 +09:00
731_fnret_bare_leaf_shadow.c
toolchain+lib+test: Go-style package/import keywords (#18)
2026-05-18 18:25:36 +09:00
732_fnparams_bare_leaf_shadow.c
toolchain+lib+test: Go-style package/import keywords (#18)
2026-05-18 18:25:36 +09:00
733_enum_modshadow.c
toolchain+lib+test: Go-style package/import keywords (#18)
2026-05-18 18:25:36 +09:00
734_struct_modshadow.c
toolchain+lib+test: Go-style package/import keywords (#18)
2026-05-18 18:25:36 +09:00
735_def_modshadow.c
toolchain+lib+test: Go-style package/import keywords (#18)
2026-05-18 18:25:36 +09:00
736_cstage_label_ssot.c
cstage+test: graduate hidden-name mklabel sites to @-prefix SSoT (#26)
2026-05-18 16:00:31 +09:00
737_direnum.c
cmd+selfhost+lib+test: directory-as-module enumeration in driver (#22)
2026-05-18 19:22:27 +09:00
738_module_decl.c
cmd+selfhost+lib+test: directory-as-module enumeration in driver (#22)
2026-05-18 19:22:27 +09:00
739_chained_index.c
selfhost+test: route chained N_INDEX outer element size through indexvaluetnode (#24)
2026-05-18 19:40:41 +09:00
740_chained_write.c
selfhost+test: route chained N_INDEX outer element size through indexvaluetnode on write path (#27)
2026-05-18 19:55:30 +09:00
741_dotbase_chained.c
wcc: str -> 24B {ptr,len,cap}, 3-reg ABI -- parity with []u8 (both stages)
2026-05-24 08:11:14 +09:00
742_parse_error.c
selfhost+test: gate wwstage w6c cgen on parser errors (#17)
2026-05-18 20:55:37 +09:00
743_variadic_pack.c
cstage+test: store .len/.cap on every variadic-pack element (#16)
2026-05-18 21:13:42 +09:00
744_letcopy_struct.c
cgen+test: copy struct >8B local-ident rhs in N_LET (#32)
2026-05-18 23:01:09 +09:00
745_fnret34_modshadow.c
selfhost+lib+test: route cgcall + nodeis{slice,str} N_DOT through fnretlookupmod (#34)
2026-05-18 23:37:16 +09:00
746_strdef_inline.c
selfhost+test: strlit-inline str-def value-load shape (#12)
2026-05-18 23:56:58 +09:00
747_def_modqual_modshadow.c
selfhost+cstage+test: graduate deflookup mod-qualified same-module-first (#11)
2026-05-19 00:58:28 +09:00
748_size_strategy_convergence.c
selfhost+cstage+test: graduate frame growth to first-use+fail-loud (#15)
2026-05-19 02:13:58 +09:00
749_sumtype_forward.c
selfhost+test: graduate wwstage sum-typed N_INDEX call-arg to tagged ABI (#12)
2026-05-19 03:09:34 +09:00
750_mklabel_modscoped.c
selfhost+cstage+test: module-scope mklabel labels (#13)
2026-05-19 03:39:42 +09:00
751_vararg_seq_percall.c
selfhost+test: bump wwstage varargseq per cgcall (#8)
2026-05-19 04:04:41 +09:00
752_modparam_callee.c
selfhost+test: route callee_variadic_param N_DOT via fnparamslookupmod (#16)
2026-05-19 04:56:56 +09:00
753_convwrap_audit.c
selfhost+test: route convenience-wrapper N_DOT probes via fnretlookupmod (#17)
2026-05-19 10:44:16 +09:00
754_slice_of_slice_index.c
selfhost+cstage+test: graduate *[]T indexing to slice-element type (#20)
2026-05-19 12:30:36 +09:00
755_amp_dot_idx.c
selfhost: graduate wwstage &N_DOT[N_INDEX] to cstage canonical lean form (#21)
2026-05-19 13:43:45 +09:00
756_alias_chain_unwrap.c
selfhost+cstage+test: graduate alias-chain unwrap to transitive (#22)
2026-05-19 15:09:57 +09:00
757_letbind_void_bang_void.c
selfhost/cmd/wcc/cgenutil+test: slotsize zero for void, recurse N_TBANG
2026-05-20 02:27:17 +09:00
758_cgalloc_str_field.c
wcc: str -> 24B {ptr,len,cap}, 3-reg ABI -- parity with []u8 (both stages)
2026-05-24 08:11:14 +09:00
759_check_enum_fold.c
selfhost/cmd/wcc: extend enum fold to constexpr set (A.6.2.1a)
2026-05-22 00:14:36 +09:00
800_ffi.c
ww: rename toolchain to w-prefix + hare-style build/run/test driver
2026-05-11 13:49:27 +09:00
810_dyn.c
w6l+selfhost: dynamic-link + .data — shared R+W segment
2026-05-12 13:50:09 +09:00
900_stdlib.c
lib/bytes+test: port tokenize family from Hare (#18)
2026-05-19 11:41:36 +09:00
910_at_test.c
wcc: @test marker attributes + runner
2026-05-12 03:14:20 +09:00
923_signed_data_emit_run.c
cstage+selfhost+test: fold N_UN over signed int literal in let DATA emit (#19)
2026-05-17 07:25:49 +09:00
924_tagged_call_arg_run.c
selfhost+test: route tagged-CALL arg through natural push (#21)
2026-05-17 07:33:55 +09:00
925_sret_struct_return_run.c
cstage+selfhost+test: wire sret return-forwarding (#9)
2026-05-18 00:15:34 +09:00
926_match_slice_variant_run.c
selfhost+test: route N_TSLICE variant through shape-aware index helper (#19)
2026-05-18 01:51:57 +09:00
927_composite_call_arg_run.c
selfhost+test: route composite CALL return through nodeisslice (#24)
2026-05-18 02:20:42 +09:00
928_str_abi_run.c
test/wcc/928: runtime coverage for str byte-index (C2) + str-into-tagged-union (C4.8)
2026-05-24 09:19:20 +09:00
929_match_4arm_cross_module_run.c
toolchain+lib+test: Go-style package/import keywords (#18)
2026-05-18 18:25:36 +09:00
930_sret_narrow_field_run.c
cstage+test: walk fields for sret callee struct-copy width (#33)
2026-05-18 12:01:34 +09:00
931_variant_typekey_run.c
selfhost/cmd/wcc: type-key tagged variant match (#66, Phase-N step 3)
2026-05-23 21:22:24 +09:00
932_str_elem_cap_run.c
cgen: str N_INDEX read -> 3-word {ptr,len,cap} -- Phase 2 F2 (both stages)
2026-05-24 12:27:15 +09:00
933_str_field_cap_run.c
cgen: str N_DOT field read -> 3-word {ptr,len,cap} -- Phase 2 C4.6 (both stages)
2026-05-24 13:31:58 +09:00
934_str_chained_field_cap_run.c
cgen: str chained-*struct field read -> 3-word -- Phase 2 C4.6 caseB (both stages)
2026-05-24 13:57:20 +09:00
935_str_tuple_elem_cap_run.c
cgen: str tuple-positional element read -> 3-word -- Phase 2 C4.6 S3 (both stages)
2026-05-24 14:22:25 +09:00
936_str_arrfield_cap_run.c
cgen: str arr[i].field read -> 3-word -- Phase 2 C4.6 arrfield (both stages)
2026-05-24 14:57:05 +09:00
937_str_arrfield_store_cap_run.c
cgen: str arr[i].field = v store -> 3-word -- Phase 2 G1 (both stages)
2026-05-24 15:35:37 +09:00
950_selfcheck.c
cmd+selfhost+test: relax alloc-slice element-type pin via LHS retype
2026-05-20 01:09:16 +09:00
966_strings_run.c
cmd+selfhost+lib+test: directory-as-module enumeration in driver (#22)
2026-05-18 19:22:27 +09:00
967_bytes_run.c
lib/bytes+test: Hare port (equal / index / rindex / contains / has{prefix,suffix} / reverse / zero)
2026-05-18 00:48:14 +09:00
968_utf8_run.c
lib/encoding/utf8+test: Hare port (decoder / next / encoderune / runesz / utf8sz / validate)
2026-05-17 23:46:34 +09:00
970_fmt_run.c
cmd+selfhost+lib+test: directory-as-module enumeration in driver (#22)
2026-05-18 19:22:27 +09:00
971_log_run.c
cmd+selfhost+lib+test: directory-as-module enumeration in driver (#22)
2026-05-18 19:22:27 +09:00
972_fnmatch_run.c
cmd+selfhost+lib+test: directory-as-module enumeration in driver (#22)
2026-05-18 19:22:27 +09:00
973_shlex_run.c
lib+test: add shlex (POSIX split/quote) + strings.freeall
2026-05-15 15:48:13 +09:00
974_getenv_run.c
rt+lib/os+test: capture envp; add os.getenv
2026-05-15 17:13:32 +09:00
975_dirs_run.c
lib/dirs+lib/os+test: add lib/dirs (XDG paths) + os.mkdirs
2026-05-15 17:14:49 +09:00
976_stat_run.c
lib/os+test: add stat / lstat / fstat / exists
2026-05-16 02:42:41 +09:00
977_time_run.c
lib/time+test: add types, ops, now
2026-05-17 02:51:15 +09:00
978_intdiv_signed.c
cstage+selfhost+test: revert compound-assign div/mod workarounds (post-#16)
2026-05-17 02:40:40 +09:00
979_hex_run.c
lib/encoding/hex+test: Hare port (encode / decode / sizes)
2026-05-17 07:07:57 +09:00
980_memio_run.c
test: wire lib/memio/memiotest.ww into make test
2026-05-15 00:26:10 +09:00
981_temp_run.c
test: wire lib/temp/temptest.ww into make test
2026-05-15 00:27:38 +09:00
982_getopt_run.c
cmd+selfhost+lib+test: directory-as-module enumeration in driver (#22)
2026-05-18 19:22:27 +09:00
983_base32_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
984_base64_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
985_adler32_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
986_crc16_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
987_crc32_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
988_crc64_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
989_siphash_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00
990_selfhost.c
test: parallelize test/run via xargs -P; 180s per-tool timeout
2026-05-21 16:32:27 +09:00
991_w6a_ww.c
test: parallelize test/run via xargs -P; 180s per-tool timeout
2026-05-21 16:32:27 +09:00
992_w6l_ww.c
test: parallelize test/run via xargs -P; 180s per-tool timeout
2026-05-21 16:32:27 +09:00
993_ww_ww.c
test: parallelize test/run via xargs -P; 180s per-tool timeout
2026-05-21 16:32:27 +09:00
994_w6c_ww.c
test: parallelize test/run via xargs -P; 180s per-tool timeout
2026-05-21 16:32:27 +09:00
995_self_rebuild.c
test: split fast/full, parallelize 995, race-correct two-phase test/run
2026-05-21 18:07:13 +09:00
996_dyn_ww.c
w6c: float-aware unary minus (fix -1.0 emitting +1.0 bit pattern)
2026-05-11 17:52:29 +09:00
997_at_test_ww.c
selfhost: mirror @test runner via ww_ww (997_at_test_ww)
2026-05-12 03:58:55 +09:00
998_bufio_run.c
test: wire lib/bufio/bufiotest.ww into make test (closes #23)
2026-05-14 02:51:49 +09:00
999_random_run.c
test: wire 8 stdlib tests into make test
2026-05-15 09:00:34 +09:00