[Rust] Retrieve architecture if missing from location passed to `MediumLevelILFunction::instruction_from_index`

Fixes https://github.com/Vector35/binaryninja-api/issues/6876

1 files changed, 2 insertions, 1 deletions

diff --git a/rust/src/low_level_il/function.rs b/rust/src/low_level_il/function.rs
index 8af89652..2eaf7f11 100644
--- a/rust/src/low_level_il/function.rs
+++ b/rust/src/low_level_il/function.rs
@@ -106,7 +106,8 @@ where
     ) -> Option<LowLevelInstructionIndex> {
         use binaryninjacore_sys::BNLowLevelILGetInstructionStart;
         let loc: Location = loc.into();
-        let arch = loc.arch.unwrap_or_else(|| *self.arch().as_ref());
+        // If the location does not specify an architecture, use the function's architecture.
+        let arch = loc.arch.unwrap_or_else(|| self.arch());
         let instr_idx =
             unsafe { BNLowLevelILGetInstructionStart(self.handle, arch.handle, loc.addr) };
         // `instr_idx` will equal self.instruction_count() if the instruction is not valid.