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-rw-r--r--src/rt/rust_builtin.cpp12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/rt/rust_builtin.cpp b/src/rt/rust_builtin.cpp
index d221e6e5..cb16fbf0 100644
--- a/src/rt/rust_builtin.cpp
+++ b/src/rt/rust_builtin.cpp
@@ -61,8 +61,12 @@ align_of(rust_task *task, type_desc *t) {
return t->align;
}
-extern "C" CDECL size_t
-refcount(rust_task *task, type_desc *t, size_t *v) {
+extern "C" CDECL intptr_t
+refcount(rust_task *task, type_desc *t, intptr_t *v) {
+
+ if (*v == CONST_REFCOUNT)
+ return CONST_REFCOUNT;
+
// Passed-in value has refcount 1 too high
// because it was ref'ed while making the call.
return (*v) - 1;
@@ -277,7 +281,9 @@ debug_box(rust_task *task, type_desc *t, rust_box *box)
task->log(rust_log::STDLIB, "debug_box(0x%" PRIxPTR ")", box);
debug_tydesc_helper(task, t);
task->log(rust_log::STDLIB, " refcount %" PRIdPTR,
- box->ref_count - 1); // -1 because we ref'ed for this call
+ box->ref_count == CONST_REFCOUNT
+ ? CONST_REFCOUNT
+ : box->ref_count - 1); // -1 because we ref'ed for this call
for (uintptr_t i = 0; i < t->size; ++i) {
task->log(rust_log::STDLIB,
" byte %" PRIdPTR ": 0x%" PRIx8, i, box->data[i]);