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ww/test/wcc
Hojun-Cho 11afd82e16 test: pin i64-sink chained global-ptr read is full-width, guards #18
#18 verified there is no spurious load-narrow on a chained global-ptr field
read into an i64 sink -- the only MOVSXD is the legitimate :i32 return cast,
byte-identical in both stages. Lock it: a chain_i64_sink row reads q:i64 =
0x1_0000_0001 and asserts the high word == 1. A truncating load-narrow would
drop the high word to 0, so the row pins the spine-narrow family (runtime +
byte-id, both stages).
2026-06-24 00:28:25 +09:00
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