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Diffstat (limited to 'ops/optimizer_tests/param_mut_binding_warning.rs')
-rw-r--r--ops/optimizer_tests/param_mut_binding_warning.rs11
1 files changed, 11 insertions, 0 deletions
diff --git a/ops/optimizer_tests/param_mut_binding_warning.rs b/ops/optimizer_tests/param_mut_binding_warning.rs
new file mode 100644
index 000000000..c47122728
--- /dev/null
+++ b/ops/optimizer_tests/param_mut_binding_warning.rs
@@ -0,0 +1,11 @@
+fn op_read_sync(
+ state: &mut OpState,
+ rid: ResourceId,
+ mut buf: ZeroCopyBuf,
+) -> Result<u32, AnyError> {
+ // Should not warn about unused `mut buf` binding.
+ //
+ // This was caused due to incorrect codegen by fast_call.rs
+ // on an incompatible op function.
+ Ok(23)
+}