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w6c: forrange bind cap loud; drain widen gates keyed on type-eq (#55)

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Two silent seams in one sweep. The for-range destructure silently
dropped the 9th+ binding in both stages (bind arrays are sized 8);
the cap now hard-stops per the DEFER_MAX/LOOP_MAX discipline (the
shape is unreachable today -- every wide-tuple construction path
already loud-stops). argtaggedwidensz, the drain-side SSoT for
widened call args, still keyed "natural push" on slot-size equality
while pushargsrev flipped to type equality with #55 -- a same-slot
subset was classified widen by push, natural by drain (counts
coincide today; a classification reader desyncs, the #48 shape).
Both sides now share the wsame key; the widen-branch tag miss for a
concrete source joins the task-2 loud-stop family (tagged subset
sources keep t=0 -- their widentag is never read, the scratch store
remaps).

Lead 17 (enum fold-failure prev+1) DISPROVED: enumvalfold gates
every member init in the checker and its fold set is op-for-op
equal to cgen's enumevalmember, so the fallback only runs inside
already-failing compiles.
This commit is contained in:
Hojun-Cho
2026-08-09 00:52:27 +09:00
parent 973dd964c9
commit f06c95e66b
5 changed files with 67 additions and 14 deletions
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8
internal/wwfixture/types.ww
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@@ -1,13 +1,13 @@
package wwfixture;
def protocolversion: i32 = 1;
def corpuscount: i32 = 1750;
def corpuscount: i32 = 1751;
def errorcount: i32 = 349;
def compilecount: i32 = 21;
def runcount: i32 = 209;
def runexitcount: i32 = 1171;
def nativecount: i32 = 3500;
def corpushash: str = "d52fa0df91c89bf51bca70045a2dbf39d5012ac03bf687e231240dc1c5b3fc53";
def runexitcount: i32 = 1172;
def nativecount: i32 = 3502;
def corpushash: str = "0d0401f0d80ca682b0872343a62db4f91c0ff4c68e71f97cd5358cf92faffebc";
type directive = enum i32 {
ERROR = 0,