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-rw-r--r--src/core/core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/core/core.c b/src/core/core.c
index 7d1b91e..d758cb6 100644
--- a/src/core/core.c
+++ b/src/core/core.c
@@ -382,6 +382,7 @@ static Cell hostcall(Cell op, Cell a, Cell b, Cell c)
}
if (a == 7 || a == 8) return stack_expand(a == 8, b, &cb_s, &cb_r);
if (a == 9) return code_reserve(b);
+ if (a == 10) return MW; /* where byte loads and stores stop: the host reservation, not memory_words */
return -1;
case 43: { /* clone an isolated execution context with a bidirectional channel */
#if !defined(_WIN32) && !defined(__wasm__)