Files
ww/internal/wwfixture/types.ww
Hojun-Cho cf69cf2f06 w6c: key tagged natural-push call args on type equality, not slot size
pushargsrev's five aistagged gates (N_IDENT #55, N_CALL #21, N_INDEX
#12, N_DOT #22a, deref #35) treated a tagged arg as already-tagged
when its SLOT SIZE matched the param's. A same-slot subset union
((bool|void) into (i64|bool|void), both 16B) then natural-pushed the
narrower box's words carrying SOURCE tags — no re-layout, no
cg_widen_tag_remap twin — so the callee matched the wrong arm
(silent: probes exited 10/90 where cstage exits 30/27). cstage keys
widen detection on type equality (cgen.c:10000 same = (pu == au) ||
type_eq) and routes every non-same tagged source through the zeroed
scratch + tag remap; the slot-DIFFER wwstage path already mirrored
that byte-identically, so the fix computes cstage's same check once
(wsame) and replaces each slot-size test with it. This also erases
the last known cs!=ww shape divergence (the 16B-local staging vs
direct-push frame delta on prefix subsets).

8 subsetwiden_* fixtures own the class: call-result/ident/str-payload
/mid-arg remap (the wrong-arm shapes), prefix (the shape-divergence
repro), and bigslot/return-pos/struct-24-to-32 sibling guards. Corpus
pin 1740/343/22/209/1166/3480.
2026-08-08 19:01:05 +09:00

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package wwfixture;
def protocolversion: i32 = 1;
def corpuscount: i32 = 1740;
def errorcount: i32 = 343;
def compilecount: i32 = 22;
def runcount: i32 = 209;
def runexitcount: i32 = 1166;
def nativecount: i32 = 3480;
def corpushash: str = "a2f2514f07ca4e20457331e30f051394da3e59fcfa8f5f6ec3b33d9c14490354";
type directive = enum i32 {
ERROR = 0,
RUN = 1,
RUNEXIT = 2,
COMPILE = 3,
};
type stage = enum i32 {
C = 0,
WW = 1,
};
type phase = enum i32 {
COMPILE = 0,
BUILD = 1,
RUN = 2,
};
type verdict = enum i32 {
PASS = 0,
FAIL = 1,
ERROR = 2,
};
type termination = enum i32 {
EXIT = 0,
SIGNAL = 1,
TIMEOUT = 2,
SETUP = 3,
};
type fixture = struct {
name: str,
id: str,
source: str,
directive: directive,
diagnostic: str,
wwdiagnostic: str,
exitcode: i32,
};
type corpus = struct {
root: str,
fixtures: []fixture,
};
type identity = struct {
ordinal: i32,
fixtureindex: i32,
stage: stage,
};
type cellresult = struct {
ordinal: i32,
id: str,
stage: stage,
phase: phase,
verdict: verdict,
termination: termination,
code: i32,
durationns: i64,
capture: str,
};
fn stageword(s: stage) str = {
if (s == stage.C) { return "c"; };
return "ww";
};
fn phaseword(p: phase) str = {
if (p == phase.COMPILE) { return "compile"; };
if (p == phase.BUILD) { return "build"; };
return "run";
};
fn verdictword(v: verdict) str = {
if (v == verdict.PASS) { return "pass"; };
if (v == verdict.FAIL) { return "fail"; };
return "error";
};
fn terminationword(t: termination) str = {
if (t == termination.EXIT) { return "exit"; };
if (t == termination.SIGNAL) { return "signal"; };
if (t == termination.TIMEOUT) { return "timeout"; };
return "setup";
};